// PROTO-011 · United States

RX-3 MOL Prototype

Litton Industries · 1965
Prototype Experimental — MOL program cancelled
RX-3 MOL Prototype spacesuit

Technical Specifications

PressureTBD
Suit mass (1g)TBD
Life support (primary)Not publicly documented
Life support (backup)
EVA durationN/A
ProgramManned Orbiting Laboratory
AgencyUSAF
ManufacturerLitton Industries
First use1965
StatusExperimental — MOL program cancelled
Donning / entryNot publicly documented

Engineering Analysis

Key Subsystem Architecture

Hard-shell suit developed for classified military space station program

Mission Role

USAF Manned Orbiting Laboratory reconnaissance mission suit

Limitations & Failures

Not publicly documented

Program Lesson
"Entire MOL program and associated suit development cancelled in 1969 before any crewed flight"
Future Relevance

Rare military space station suit lineage; demonstrates parallel classified US space suit development track

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Mk II Model O spacesuit photograph

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1956
Pressure
TBD
System mass
TBD
Life support
Not publicly documented
EVA duration
N/A

"Established B.F. Goodrich as the lead US full-pressure suit contractor before Mercury existed"

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PROTO-002 Prototype EXPERIMENTAL
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Mk II Model R

USAF · B.F. Goodrich
1956
Pressure
TBD
System mass
TBD
Life support
Not publicly documented
EVA duration
N/A

"Parallel development track alongside Model O testing different mobility solutions"

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PROTO-003 Prototype EXPERIMENTAL
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Pressure
TBD
System mass
TBD
Life support
Not publicly documented
EVA duration
N/A

"Naval and NASA pressure suit research tracks cross-pollinated significantly in this era"

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