// Program Archive

Soviet / Russia Program

5 documented variants · View all nations →

RU-001 IVA
SK-1 / SK-2 spacesuit photograph

SK-1 / SK-2

Soviet Space Program · Zvezda
1961–1963
Pressure
300 hPa
System mass
TBD
Life support
Vehicle-supported open-loop + post-ejection oxygen
EVA duration
N/A

"Shows value of integrated survival architecture and the penalty of long-duration IVA wear in a rigidly seated posture"

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RU-002 EVA

BERKUT

Soviet Space Program · Zvezda
1965
Pressure
400 hPa
System mass
TBD
Life support
Open-loop backpack KP-55 oxygen
EVA duration
N/A

"Pressurized mobility and re-entry-to-airlock recovery must be a top-level requirement, not an afterthought"

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RU-005 EVA

KRECHET

Soviet Space Program · Zvezda
1967–1972
Pressure
400 hPa
System mass
TBD
Life support
Self-contained backpack + lunar interfaces
EVA duration
N/A

"Rear-entry and semi-rigid architecture remain highly relevant for surface systems and suitport concepts"

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RU-007 IVA
Sokol KV-2 spacesuit photograph

Sokol KV-2

Roscosmos · Zvezda
1980–present
Pressure
400 hPa
System mass
TBD
Life support
Vehicle-supported open-loop
EVA duration
N/A

"Keep rescue-suit platforms on a managed block-upgrade path instead of deferring subsystem refresh for decades"

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RU-010 EVA

Orlan-M

Roscosmos · Zvezda
1997–present
Pressure
5.8 psi / 40 kPa
System mass
238 lb
Life support
Self-contained 100% O2 — 7 hr
EVA duration
7 hours

"Orbital EVA systems must be treated as maintainable fleets, not isolated suits"

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