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 | ![]() 🇺🇸 USA Trust: Agency-primaryⓘ Last verified Active · Last updated 2026-06-08Remove × | ||
|---|---|---|---|
| Agency | 🇷🇺 Soviet Space Program | 🇺🇸 NASA | 🇷🇺 Roscosmos |
| Country | USSR | USA | Russia |
| Manufacturer | NPP Zvezda | ILC Dover (soft goods) + Collins Aerospace / Hamilton Sundstrand (PLSS) | NPP Zvezda |
| Type | IVA | EVA | EVA |
| Status | Retired | Active | Retired |
| Program | Vostok | Space Shuttle; ISS | ISS Russian Segment (Phase I–II, 1998–2009) |
| Era | 1961–1963 | 1982–present | 1998–2009 |
| Weight | 20 kg | 49.4 kg | 112 kg |
| Max EVA Duration | — | 8 hours + 30 min reserve ↑ Longest | 7 hours |
| Operating Pressure | 3.9–4.4 psi pure O₂ | 4.3 psi 100% O₂ | 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.