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| Attribute | Long March 8 (incl. 8A) 🇨🇳 China Trust: Operator-primaryⓘ Last verified Active · Last updated 2026-07-26Remove × | ||
|---|---|---|---|
| Company | ULA | China Academy of Launch Vehicle Technology (CALT) / CASC | United Launch Alliance |
| Country | 🇺🇸 USA | 🇨🇳 China | 🇺🇸 USA |
| Status | Active | Active | Retired |
| Vehicle class | Medium | Medium | Heavy |
| Propellant | RP-1 / LOX (RD-180); LH₂ / LOX (Centaur III) | RP-1 / LOX (stage 1); LH2/LOX (stage 2) | LH2 / LOX |
| Reusable | No | No | No |
| Stages | 2 | 2 | 2 |
| First flight | 2002 | 2020 | 2004 – 2024 |
| Payload to LEO | 18,850 kgas of [1]401 configuration. Maximum 401/551 stretch to 20,520 kg. 551 max 29,420 kg (5-solid boosters). | 8,100 kgas of [1]5,000 kg to 700 km SSO (base); the enlarged-second-stage 8A variant (first flew 2025-02-11) lifts 7,000 kg to the same SSO reference orbit. | 28,370 kgas of [1] ↑ Best |
| Payload to GTO | 8,900 kgas of [1]551 configuration (maximum performance) ↑ Best | — | — |
| Height | 58.3 mas of [1]401 configuration | 50.3 mas of [1] | 70.7 mas of [1] ↑ Best |
| Liftoff mass | 334 tas of [1]401 configuration without strap-ons | 356 t (base); 371 t (8A)as of [1] ↑ Best | 733 tas of [1] |
| Success rate | 99.1%as of [2]108 full successes + 1 partial failure (NROL-30, Jun 2007 — payload still reached usable orbit) across 109 launches | 100% (16/16 combined base + 8A)as of [1] ↑ Best | 93.75% (15/16 full success, 1 partial failure)as of [1] |
| Total flights | 109as of [2]No longer sold but still flying its backlog: ~8 launches remained as of Apr 2026 (6 Starliner + 2 Amazon Leo); most recent flight Amazon Leo LA-07 (May 29, 2026), ~7 remain | 16 (base + 8A combined)as of [1] ↑ Best | 16as of [1] |
| Cost / kg LEO | — | — | — |
| Summary | ULA's workhorse since 2002 and the longest-serving active US rocket. Launched Mars Science Laboratory (Curiosity), OSIRIS-REx, Solar Orbiter, Lucy, New Horizons, and the Boeing Starliner. Production ended in 2024 and ULA no longer sells the vehicle, but it continues flying a sold-out backlog of Starliner and Amazon Leo missions into the late 2020s. | A two-stage medium-lift launcher originally designed with a reusable combined-booster-recovery concept in mind, though currently operational vehicles fly expendable. Exclusively from Wenchang. | ULA's triple-common-booster-core heavy-lift launcher, retired 2024-04-09 after its final flight; superseded by Vulcan Centaur, which ULA states offers similar heavy-lift capability at lower cost. |
48 launch vehicles across 10 countries — active, retired, and in development — with primary-source citations from manufacturer user guides and agency press kits. Pure URL state: bookmark or share the link and the comparison reproduces exactly.