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Only 3 nations can independently sustain human spacewalks in 2026 — the U.S., Russia, and China.
| Attribute | 🇷🇺 Russia / USSR Trust: Agency-primaryⓘ Last verified Active · Last updated 2026-06-08Remove × | ||
|---|---|---|---|
| Agency | 🇺🇸 NASA | 🇷🇺 Roscosmos / Soviet Space Program | 🇺🇸 NASA |
| Country | USA | Russia / USSR | USA |
| Manufacturer | David Clark Company | NPP Zvezda | David Clark Company |
| Type | IVA | IVA | IVA/EVA |
| Status | Retired | Active | Retired |
| Program | Space Shuttle (STS-64 through STS-135) | Soyuz; Shenzhou (licensed) | Gemini |
| Era | 1994–2011 | 1980–present | 1965–1966 |
| Weight | 15 kg | 10 kg | 15.4 kg |
| Max EVA Duration | — | — | ~2 hours ↑ Longest |
| Operating Pressure | Full pressure rated to 30 km altitude | 5.8 psi pure O₂ | 3.7 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.