Pick up to 4 spacesuits to compare side-by-side. State lives in the URL — share the link and the comparison loads exactly as you left it.
Only 3 nations can independently sustain human spacewalks in 2026 — the U.S., Russia, and China.
| Attribute | |||
|---|---|---|---|
| Agency | 🇷🇺 Soviet Space Program | 🇷🇺 Roscosmos | 🇷🇺 Soviet Space Program |
| Country | USSR | Russia | USSR |
| Manufacturer | NPP Zvezda | NPP Zvezda | NPP Zvezda |
| Type | IVA | EVA | EVA |
| Status | Retired | Active | Retired |
| Program | Vostok | ISS (Russian Segment) | Voskhod 2 |
| Era | 1961–1963 | 2017–present | 1965–1965 |
| Weight | 20 kg | 110 kg | 41.5 kg |
| Max EVA Duration | — | 7 hours | ~45 min ↑ Longest |
| Operating Pressure | 3.9–4.4 psi pure O₂ | 5.8 psi pure O₂ | 3.9–5.8 psi pure O₂ |
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33 spacesuits across 8 countries — active, retired, cancelled, and in development — with primary-source citations from agency technical documentation. Pure URL state: bookmark or share the link and the comparison reproduces exactly.