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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 | 🇷🇺 Soviet Space Program | 🇺🇸 NASA | 🇷🇺 Roscosmos / Soviet Space Program |
| Country | USSR | USA | Russia / USSR |
| Manufacturer | NPP Zvezda | David Clark Company | NPP Zvezda |
| Type | EVA | IVA | IVA |
| Status | Cancelled | Cancelled | Active |
| Program | Soviet Lunar Program (N1/L3) | Apollo Block I | Soyuz; Shenzhou (licensed) |
| Era | 1967–1974 | 1966–1967 | 1980–present |
| Weight | 90 kg | 11 kg | 10 kg |
| Max EVA Duration | 10 hours ↑ Longest | — | — |
| Operating Pressure | 5.8 psi pure O₂ | 3.7 psi pure 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.