192022 High Speed Assault Connector Brief 1 192022

1/9/2022 High Speed Assault Connector Brief 1

1/9/2022 High Speed Assault Connector Brief 2

TSSE Team TSSE Staff Prof. Fotis Papoulias Prof. Bob Harney 2004 Design Team LTjg Kivanc Anil, TUR, MAE LTjg Mehmet Avcu, TUR, MAE LT Jon Brisar, USN, PHY LTjg Adnen Chaabane, TUN, IW LTjg Sotirios Dimas, GRC, MAE LT Matt Harding, USN, MAE LT Timothy King, USNR, ECE LT Steven Peace, USN, SEA LCDR Paco Perez-Villalonga, ESP, OR LT Derek Peterson, USNR, MAE LT Rolando Reuse, CHL, MAE LT Scott Roberts, USN, MAE 12 Students 6 Countries 6 Departments 1/9/2022 High Speed Assault Connector Brief 3

Today’s Agenda Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 4

The Request • A conceptual design for a High Speed Assault Connector (HSAC) to enhance Joint Expeditionary Logistics (JELo) flow from the Sea Base to shore • Augment or replace existing connector platforms • Employment requirement – – – 1/9/2022 Cargo: ~8000 LT of vehicles, troops, and gear Distance: 200 nm from the Sea Base to shore Time: 10 hours Sea state: 4 Interface: accept cargo and troops at the Sea Base and deliver to shore High Speed Assault Connector Brief 5

The Design Solution • A system of 12 HSACs that fill all the previous connector requirements • Each HSAC is multi-mission capable, selfsustaining, and: – Can accommodate embarked troops, cargo, and gear from FLS and or/CONUS to the Sea Base – Can transit 2000 nm @20 kts (fully loaded) w/40% fuel remaining – Has defensive and offensive combat capabilities 1/9/2022 High Speed Assault Connector Brief 6

Introduction Summary Mission Flexibility Requirements & Design Manning/ Habitability Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 7

Initial Requirements • SEA-6 – Transport JEB from the Sea Base to shore – Time limited to a 10 hour period – Interface with Sea Base, developed ports, and austere beaches • TSSE Faculty – Support amphibious operations ashore in addition to delivering payload – Conduct secondary missions – Capable of independent operations 1/9/2022 High Speed Assault Connector Brief 8

Assumptions • HSAC will move entire surface component of JEB – 2 Battalion Landing Teams (BLT) • HSAC fully loaded prior to employment phase • HSAC transit protected by the Sea Shield provided by Sea Base forces • Landing operations will be conducted in reduced threat environments • Boat lanes will be mine free 1/9/2022 High Speed Assault Connector Brief 9

Beachable/Non-Beachable • Considered two delivery methods – Beachable – Non-Beachable (LCAC ferry) • Conducted feasibility study on both 1/9/2022 High Speed Assault Connector Brief 10

Non-Beachable Feasibility • Pros – – Information readily available Few tactical changes required Improves effective LCAC range Proven, beachable, high-speed connector • Cons – – 1/9/2022 Large number of LCACs required LCACs approaching end of service life Inadequate availability/reliability Additional interface in the loop High Speed Assault Connector Brief 11

Beachable Feasibility • Analysis of Newport class LST – 3000 LT payload – 16 ft draft – Bow ramp and stern gate • Pros – Performed similar mission – Large craft can be made beachable – Newer technologies will greatly enhance the capabilities of previously proven designs – Provides a single connector solution • Cons – Structural issues for bow ramp/beaching – Possibly hull form limiting • Beachable design selected 1/9/2022 High Speed Assault Connector Brief 12

Analysis of Alternatives • • Developed 3 Measures of Performance (MOP) Analytic Hierarchy Process (AHP) was used to set the weights – Transport factor – 43% – Survivability – 43% • • • Number of ships – 50% Overall ship length – 30% Speed – 20% – Mission flexibility – 14% • • • 1/9/2022 Payload – 30% Draft – 30% Number of ships – 20% Speed – 20% Overall MOP weighted sum of the individual MOPs High Speed Assault Connector Brief 13

Design of Experiments • 7 x 9 x 5 Design matrix – 7 different hull types – 9 different payloads – 5 different speeds • Total of 315 possible designs • Initial ship characteristics calculated using software from Maritime Applied Physics Corporation at MIT 1/9/2022 High Speed Assault Connector Brief 14

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Ao. A: Score Criteria • 315 designs were evaluated using TSSE generated MOPs • 292 designs were eliminated based on these MOP score criteria 1. Average MOP < 0. 4 (REJECT) 2. (MOPmax – MOPmin) > 0. 05 (REJECT) 3. Average > 0. 45 or passes tests 1 and 2 (ACCEPT) • 1/9/2022 23 remaining designs were plotted vs. cost to determine the optimum design High Speed Assault Connector Brief 16

Ao. A: MOP vs Hull Type 1/9/2022 High Speed Assault Connector Brief 17

Ao. A: MOP vs Cost Trimaran Catamaran HYSWAS r tte Be 1/9/2022 High Speed Assault Connector Brief 18

Sensitivity Analysis • Same 3 Measures of Performance (MOP) – Transport factor – Survivability – Mission flexibility – 33% Trimaran r tte Be 1/9/2022 High Speed Assault Connector Brief 19

Beachable Trimaran • Beachable design – Smallest average draft (17 ft) • Greatest number of retained alternatives • Highest overall MOP among hull types – For each speed – For each payload • Highest overall MOP for one of the lowest costs – Only cheaper alternatives were HYSWAS and a point solution monohull, both with deep drafts 1/9/2022 High Speed Assault Connector Brief 20

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 21

Cargo Requirements • Transport surface components of 2 Battalion Landing Teams – – – – – 204 Humvee 98 EFV 21 M 1 A 2 4 AVB 2 AVLB 8 M 9 ACE 2 M 88 A 2 16 ITV 10 Avengers 38 MTVR – – – – – 12 LW 155 16 M 105 6 MK 155 34 M 101 2 M 149 2 M 116 2 AN/TPQ 8 4 K Forklifts 4 Contact trucks • A total of 546 vehicles delivered in first 10 hours 1/9/2022 High Speed Assault Connector Brief 22

Cargo Distribution • One BLT can be transported on 6 ships – Provides for mission scalability – Provided greater load-out flexibility • Vessel load-outs – – 1/9/2022 Load-outs fell below maximum payload Maximum design payload = 800 LT Heaviest load-out = 693 LT Average load-out = 663 LT High Speed Assault Connector Brief 23

Cargo Distribution • Distribution of (1) BLT aboard (6) HSAC 1/9/2022 High Speed Assault Connector Brief 24

Cargo Interfaces • • 1/9/2022 Stern gate/ramp Cargo decks Flight deck & elevator Bow ramp High Speed Assault Connector Brief 25

Stern gate • Allows interface with Sea Base and pier via Mediterranean mooring • Hydraulically operated • 120 degree range of motion from vertical to partial submersion – Supports deployment/recovery of EFV • Can be accomplished with current RO-RO technology 1/9/2022 High Speed Assault Connector Brief 26

Stern Gate Loading 1/9/2022 High Speed Assault Connector Brief 27

Stern Gate EFV Deployment 1/9/2022 High Speed Assault Connector Brief 28

Cargo Layout • Upper and lower cargo deck • Heaviest equipment stored on lower deck and centerline of upper deck – M 1 A 2, EFV, ABV, M 88 ACE, AVLB • Lower deck access from stern gate and bow ramp • Upper deck access from forward and aft fixed ramps • Ventilation system on both decks will handle removing vehicle exhaust from the ship 1/9/2022 High Speed Assault Connector Brief 29

Cargo Layout 1/9/2022 High Speed Assault Connector Brief 30

Flight Deck & Elevator • Flight deck supports CH-53 X, MV-22, and SH-60 R • Hangar for 1 SH-60 R • Elevator provides access to flight deck from cargo decks – Allows vertical replenishment of oversized and palletized supplies – Allows vertical delivery of vehicles/equipment from cargo decks to shore – Supports use of upper cargo deck as hangar for multiple SH-60 R (BLT not embarked) 1/9/2022 High Speed Assault Connector Brief 31

Cargo Layout 1/9/2022 High Speed Assault Connector Brief 32

Bow Doors • 5 m x 6. 2 m opening in bow – Facilitates ramp deployment and vehicle offload • Doors constructed from composite materials – High strength, low weight • Hydraulically actuated – Eliminates hinges – Reduces the amount travel required for opening • Watertight door aft of bow doors ensures watertight integrity – Armored to provide protection during landing ops 1/9/2022 High Speed Assault Connector Brief 33

Bow Doors 1/9/2022 High Speed Assault Connector Brief 34

Bow Ramp • Sectional floating causeways – – Maximum deployed length = 35 m (8) 5 m x 1. 6 m sections Allows variable deployment length Supports maximum load of (2) M 1 A 2 Tanks • Stored below lower cargo deck • Mechanical deployment and recovery – Deployment/recovery rate =. 2 m/s – Maximum length deployment ~ 3 min 1/9/2022 High Speed Assault Connector Brief 35

Bow Ramp 1/9/2022 High Speed Assault Connector Brief 36

Bow Ramp 1/9/2022 High Speed Assault Connector Brief 37

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 38

Hull Form: Trimaran • Pros – Low resistance – Large deck area in upper decks – Enhanced stability • Cons – Little information available = higher risk – Less space in lower decks – Limited bow ramp width 1/9/2022 High Speed Assault Connector Brief 39

Trimaran Feasibility • Existing or projected trimarans – – 1/9/2022 Length/beam ratio ~ 13 - 15 Froude number ~ 0. 4 – 0. 5 Payload ~ 30 - 40% displacement Overall length ~ 140 - 160 m High Speed Assault Connector Brief http: //www. gomeralive. de/fred-olsen. 4021. 0. html 40

Alternative Center Hull Forms • Hull form A – Lowest wave resistance – Deepest draft • Hull form B – Minimal wetted surface – Intermediate draft – Intermediate beam • Hull form C – Greatest wave resistance – Lowest draft 1/9/2022 High Speed Assault Connector Brief 41

Selected Hull Form • • • 1/9/2022 Wetted surface = 4300 m 2 Length = 149 m Beam = 13 m L/B = 11. 5 Froude number =. 51 Draft = 4. 5 m High Speed Assault Connector Brief 42

Draft Constraint • Slope 1: 30 • Parabolic keel line • Reduced forward draft 1/9/2022 High Speed Assault Connector Brief 43

Calculations • • • 1/9/2022 Hydrostatics Cross curves Tankage Stability Damaged stability High Speed Assault Connector Brief 44

Structure 1/9/2022 High Speed Assault Connector Brief 45

Reality Check Operating Envelope 1/9/2022 High Speed Assault Connector Brief 46

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 47

Electric Drive • Pros – Increased flexibility over mechanical drive • Long drive train not required • Prime movers’ location not restricted • Power available for other uses – Increased fuel efficiency • Cons – Not proven • Electric drive selected 1/9/2022 High Speed Assault Connector Brief 48

Resistance Calculations 1/9/2022 High Speed Assault Connector Brief 49

Power Requirements • Combat systems and other electric loads: 2 MW • Propulsion: Speed (kts) Power (MW) 10. 95 0. 88 16. 43 3. 29 21. 91 10. 37 27. 39 16. 31 32. 86 26. 35 38. 34 40. 35 43. 82 58. 25 Total power for 43 knots: 60 MW 1/9/2022 High Speed Assault Connector Brief 50

Propulsion: Ao. A • Propulsion plant alternatives: – – – Conventional steam Nuclear steam Fuel cells Diesels Gas turbines • Gas turbines selected – – 1/9/2022 Power/weight SFC Efficiency Reliable, proven technology High Speed Assault Connector Brief 51

Prime Mover: Ao. A • Prime mover alternatives – – – ICR WR 21 LM 1600 LM 2500+ MT 30 Trent • (2) LM 2500+ selected – – 1/9/2022 High power/weight Low volume High power Low SFC High Speed Assault Connector Brief 52

MT 30 vs. LM 2500+ 1/9/2022 High Speed Assault Connector Brief 53

Propulsor: Ao. A • Propeller alternatives – Propeller – Conventional waterjet – Bird-Johnson AWJ 21 • AWJ 21 selected – – – 1/9/2022 High efficiency at high speeds Efficient at low speeds also Reduced cavitation Reduced size and weight Station-keeping High Speed Assault Connector Brief 54

Propulsor: AWJ 21 Bird-Johnson AWJ 21 Source: http: //www. rolls-royce. com/marine/downloads/pdf/propulsion/birdawj 21. pdf 1/9/2022 High Speed Assault Connector Brief 55

Propulsor: AWJ 21 Source: http: //www. rolls-royce. com/marine/downloads/pdf/propulsion/birdawj 21. pdf 1/9/2022 High Speed Assault Connector Brief 56

Propulsion Motor: Ao. A • Propulsion motor alternatives – Conventional motors – HTS AC synchronous motors – DC super conducting homo-polar motors • HTS AC synchronous motor selected – Smaller size – Lighter weight – Acceptable technological risk Source: Email with Matthew O’Conner, Sales Manager, American Superconductor Corporation, November 18, 2004 1/9/2022 High Speed Assault Connector Brief 57

Engine Room Layouts 1/9/2022 High Speed Assault Connector Brief 58

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 59

Electric Power System • 2 LM 2500+ – Produce required underway power – 58 MW for propulsion – 2 MW for C/S and hotel loads • 1 Allison AG 9140 – Produces in port power – Available for backup power 1/9/2022 High Speed Assault Connector Brief 60

Electric Distribution • Port & starboard AC buses – 13. 8 k. V – Drive the HTS AC synchronous motors – Power port & starboard DC buses • DC Zonal distribution – Port & starboard DC busses – 1100 V DC – 6 Zones 1/9/2022 High Speed Assault Connector Brief 61

Electric Distribution Prime Mover DC Zone #1 SM SSCM PS SM Motor Controller for Bow Ramp PS SSCM Allison AG 9140 AC to AC Converter 1/9/2022 AC to AC Converter HTS HTS Waterjet High Speed Assault Connector Brief 62

DC Zonal • Simplified fault isolation • Generator frequency decoupled from distribution equipment • Survivability 1/9/2022 High Speed Assault Connector Brief 63

DC Zones Zone 6: Superstructure Zone 4: ER #2 Zone 5: Aft ER 1/9/2022 Zone 2: CSER #1 Zone 3: ER #1 High Speed Assault Connector Brief Zone 1: Bow Ramp 64

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat System Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 65

Installed Damage Control Systems • Systems installed – – FM 200 CO 2 Water mist AFFF • Spaces of high importance – Flight deck – Cargo decks – Machinery spaces 1/9/2022 High Speed Assault Connector Brief 66

HSAC Fire Main 1/9/2022 High Speed Assault Connector Brief 67

Damaged Stability • Damage extension – 3 Forward double bottom – ½ Side hull 1/9/2022 High Speed Assault Connector Brief 68

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 69

Threat Engagement Zones • Open ocean to 25 miles from off-load zone • 25 miles to 1 mile from off-load zone • Less than 1 mile from off-load zone Loading Zone Transit Zone Unloading Zone Beach 1. Missiles 2. Aircraft 3. Small Boats 4. Submarines 200 – 25 nm 1/9/2022 Small Boats 1. Hostile 2. Missiles • Aircraft 3. • Missiles Small Arms • Small Arms 4. Aircraft • 25 – 1 nm High Speed Assault Connector Brief ~1 nm 70

Defense Perimeters Middle Layer Defense 25 mi Inner Layer Defense 5 mi Outer Layer Defense 100 mi 1/9/2022 High Speed Assault Connector Brief 71

Outer Layer • Highly reliable on effective Sea Shield protection • Advantage of distributed multiple platforms for a combined blanket of protection for increased survivability • Cooperative Engagement Capability (CEC) • Multi-Function Radar (MFR) 1/9/2022 High Speed Assault Connector Brief 72

Cooperative Engagement Capability • System of hardware and software that allows the sharing of radar data on targets among ships. • Each ship uses identical data processing algorithms resident in its cooperative engagement processor (CEP), resulting in each ship having essentially the same display of track information on aircraft and missiles. 1/9/2022 High Speed Assault Connector Brief 73

MFR • Multi-Function Radar • Essentially the SPY-3 radar currently in development • 3 D system capable of both air and surface detection and tracking • Fire control radar and missile control through mid-course guidance and terminal homing • Optimized for the littoral environment – Superior clutter rejection 1/9/2022 High Speed Assault Connector Brief 74

MFR Source: TSSE 2003 Final Report 1/9/2022 High Speed Assault Connector Brief 75

Middle Layer • Evolved Sea Sparrow Missile (ESSM) • Electronic Warfare (EW) suite • Electro-Optical (EO) System 1/9/2022 High Speed Assault Connector Brief 76

Missiles • Primary Mission: Self Defense • Secondary Mission: Cargo Transfer Protection • An AOA was conducted for a selection of short range missiles that can engage: – Large spectrum of anti-ship cruise missiles – Surface threats – Aircraft (to include low slow flyer) Source: http: //www. fas. org/man/index. html 1/9/2022 High Speed Assault Connector Brief 77

Missiles: AOA Overall MOP 10 Joint vision concept 10% 8 Maneuverability 15% Cost 10% 6 Quantity 20% 4 Size 5% 2 Range Min 20% Range Max 20% 0 1/9/2022 ESSM RAM SM-2 High Speed Assault Connector Brief 78

Missiles: ESSM – Very capable against low observable highly maneuverable missiles – Adequate range for middle layer defense • Max range 30 nm • Min range 1400 m – Flight corrections via radar and midcourse uplinks – MK 48 Mod 0 VLS launcher was a perfect fit for placement within trimaran side hulls • Number deployed 32 (16 port / 16 stbd) 1/9/2022 High Speed Assault Connector Brief 79

EW Suite (AN/SLY-2(V)) • Advanced Integrated Electronic Warfare System – Navy’s next generation shipboard E. W. system that supports the Joint Vision 2010 concept of full-dimensional protection – Designed for layered and coordinated countermeasures in the littoral environment – Provide final layer of self-protection against air threat leakers and ASCMs for individual ships – Electronic Support (ES) • Increased tactical awareness • Early threat detection – Advanced on board RF and IR countermeasures 1/9/2022 High Speed Assault Connector Brief 80

EO System • Thermal Imaging Sensor System II – High-resolution Thermal Imaging Sensor (TIS) – Two Charged Coupled Devices (CCDs) daylight imaging Television Sensors (TVS) – Eye-Safe Laser Range Finder (ESLRF) – Automatic Video Tracker (AVT) that is capable of tracking up to two targets within the TISS field of view Source: http: //www. drs. com/products/index. cfm? g. ID=21&product. ID=295 1/9/2022 High Speed Assault Connector Brief 81

Inner Layer • 57 mm Bofors Gun • (4)Twin M 240 Machine Gun Mounts • (2) High Power Microwave Active Denial System (HPMADS) 1/9/2022 High Speed Assault Connector Brief 82

Main Gun • Primary Mission: Anti-surface defense • Secondary Mission: Beach landing fire support • An Ao. A was conducted comparing gun firing rate, weight, and range Gun Trade Off Analysis Overall MOP 7 6 5 Firing Rate 40% 4 Weight 30% 3 Range 30% 2 1 0 1/9/2022 5 in 57 mm 76 mm High Speed Assault Connector Brief 83

Main Gun: Bofors 57 mm • 120 magazine capacity – (3) 40 round cassettes – 8 second automated change out between cassettes • 220 rounds per minute firing rate • 5 nm effective range Source: http: //www. sfu. ca/casr/101 -navgun 2. htm 1/9/2022 Source: http: //www. sfu. ca/casr/101 -navgun 2. htm High Speed Assault Connector Brief 84

Crew Served: Twin M 240 s • • • (2) M 240 Cs per mount 750/950 rpm (operator selectable) 7. 62 ammunition capability 3725 m maximum range Common weapon to U. S. Army and Marine Corps Source: http: //www. fnmfg. com/products/m 240 main. htm 1/9/2022 High Speed Assault Connector Brief 85

HPMADS • High Power Microwave Active Denial System • ADS is a non-lethal, counter-personnel directed energy weapon • Effective against both small boats and enemy personnel ashore • Similar range to small arms fire • Project in development – Air Force C-130 – Marine/Army Humvee 1/9/2022 High Speed Assault Connector Brief 86

Threat Matrix UAV ü ü SAM ü ü ASCM ü ü Aircraft Shore Fire Small Boats ü ü ü ü ü 57 mm Gun Twin M 240 ü Mines MFR ü Detection 1/9/2022 ü ü EO System EW Suite HPMDS ESSM ü Passive Detection Soft Kill High Speed Assault Connector Brief ü Hard Kill 87

System Summary Directed Infrared Countermeasures RF Jammer (SLQ-32) Nulka Decoy System EW Attack EW Protection 57 mm ESSM HPMDS Twin M 240 C Small arms Crew served weapons Shipboard Weapons Countermeasures System Controller Ship Bus Sensor Suite EW Suite Radar Warning Receiver IFF System 1/9/2022 Displays & Controls MAWS Other fleet assets Multifunctional Radar Navigation Radar High Speed Assault Connector Brief TISS II Other fleet sensors 88

RCS Calculation • Empirical method • POFACETS software • XPATCH software 1/9/2022 High Speed Assault Connector Brief 89

Empirical RCS Calculation • Based on Skolnik Empirical Method for low grazing angles D displacement (kilotons) F frequency in GHz • To account for aspect angle, actual RCS approximation will vary between 32 d. Bsm (minima) 53 d. Bsm (for broadside) 1/9/2022 High Speed Assault Connector Brief 90

POFACETS RCS Calculation 1/9/2022 High Speed Assault Connector Brief 91

XPATCH RCS CALCULATION • Provide DOD baseline measurements • Due to distribution limitations, program is being run by Dr. David Jenn (ECE) • Once available, results will be compared to previous two methods 1/9/2022 High Speed Assault Connector Brief 92

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 93

Ship’s manning • Based on reduced manning requirements, the manning list by department is as follows: 1/9/2022 Department Officers CPO Enlisted Total Command 2 0 0 2 Combat System 1 2 9 12 Engineering 2 3 12 17 Operations 2 4 16 22 Medical 0 1 1 2 Supply/Admin 0 0 11 11 7 10 49 66 High Speed Assault Connector Brief 94

Officer Berthing • USN Berthing – – (1) CO cabin (1) XO stateroom (4) 2 person staterooms Private and shared heads • USMC Berthing – (5) 6 person bunkrooms – Shared heads 1/9/2022 High Speed Assault Connector Brief 95

CO Cabin 1/9/2022 High Speed Assault Connector Brief 96

USN Officer Stateroom 1/9/2022 High Speed Assault Connector Brief 97

CPO/NCO Berthing • CPO Berthing – (2) 6 person bunkrooms – Semi-private heads • USMC SNCO Berthing – Assigned one of four USMC berthing compartments 1/9/2022 High Speed Assault Connector Brief 98

CPO Berthing 1/9/2022 High Speed Assault Connector Brief 99

Enlisted Berthing • Ship’s Crew Berthing – (1) 36 person compartment – (1) 24 person compartment – (1) 12 person compartment (Women-at-Sea determined compartment size) – Three tiers per berth (Sit-up Berth) – (4) shared heads (one assigned to females) • Embarked Marine Berthing – (3) 69 person compartments – Three tiers per berth (Sit-up Berth) – (3) shared heads 1/9/2022 High Speed Assault Connector Brief 100

Berth Selection • U. S. Navy’s Sit-Up Berth – Improves quality of life – Allows the occupant to sit upright when not sleeping – Ample space to read, write, or relax Source: http: //www. pms 317. navy. mil/tech/qol. asp 1/9/2022 High Speed Assault Connector Brief 101

Enlisted Berthing 12 Person Berthing Compartment 1/9/2022 High Speed Assault Connector Brief 102

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Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 104

Secondary Missions • • 1/9/2022 Special Operations Non-combatant Evacuation Operations Humanitarian Assistance UV Basing and Operations High Speed Assault Connector Brief 105

Special Operations • Deployment of wide spectrum equipment – RHIBs – SDV – All Helos − HMMWV − ITV − Multiple UVs • Cargo deck supports multiple mission modules – C 2 – SCIF – Medical 1/9/2022 High Speed Assault Connector Brief 106

Special Operations 1/9/2022 High Speed Assault Connector Brief 107

Humanitarian Assistance and Evacuation Operations • High speed • Capability to operate in austere, degraded and minor port environments • Interface with the beach • Ability to carry multi-mission CONEX boxes 1/9/2022 High Speed Assault Connector Brief 108

UV Support • Capability to support multiple UVs – UAV (Flight Deck) – USV (Stern Gate) – UUV (Stern Gate) • Cargo deck provides space for storage, maintenance, and mission modules • UV Handling – Overhead Telescoping Beam – Cargo deck tractor with trailer 1/9/2022 High Speed Assault Connector Brief 109

UV Handling Source: NSWCCD- INCEN- TR- 2003/001 1/9/2022 High Speed Assault Connector Brief 110

Introduction Summary Mission Flexibility Manning/ Habitability Requirements & Design Combat Systems Cargo Damage Control Hull Propulsion 1/9/2022 Electrical High Speed Assault Connector Brief 111

Weight estimation Group 1/9/2022 Name Weight (LT) 100 Hull Structure 1943 200 Propulsion Plant 300 Electric Plant 118 400 Command Surv. 112 500 Auxiliary Systems 302 600 Outfit and Furnishings 159 700 Armament 164 91 Liquids & Storage 1022 6% Margin 235 Payload 820 Total 4966 High Speed Assault Connector Brief 112

Cost estimation Assuming 12 ship construction and a learning curve exponent of 0. 95 Concept Ship Construction 156 Propulsion and Electric Distribution 230 Cargo Interfaces 10 Combat System 80 Total (For 1 Ship) 1/9/2022 Cost (Mill $) 476 High Speed Assault Connector Brief 113

Ship Characteristics • • Overall length: 149 m Overall beam: 30 m Maximum draft: 4. 5 m Full load displacement: 4966 LT • Light ship displacement: 3124 LT • GM: 7 m • Maximum speed: 43 kts • SHP: 78, 000 hp • Cruise range: 2600 nm @ 34 kts • 1 Dedicated SH-60 R hangar • Crew compliment: 66 1/9/2022 High Speed Assault Connector Brief 114

Mission Capability • Maximum payload: 800 LT – 260 Troops and gear – 2040 m 2 of cargo area • 47 vehicles in a typical BLT loadout • ~ 72 Humvees • Onload time (ideal conditions): ~4 hours • Offload time (ideal conditions): ~2 hours 1/9/2022 High Speed Assault Connector Brief 115

Conclusion • TSSE acknowledges that we were unable to perform a thorough analysis on all technical issues that exist with every ship design • TSSE believes that to achieve the HSAC mission displacement craft such as the Joint ACCESS need to be researched 1/9/2022 High Speed Assault Connector Brief 116

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