Pick up to 4 launch vehicles to compare side-by-side. State lives in the URL — share the link and the comparison loads exactly as you left it.
The global launch market reached $14.1 billion in 2024 — up 34% since 2021.
| Attribute | |||
|---|---|---|---|
| Company | Rocket Lab | ULA | Avio / Arianespace |
| Country | 🇺🇸 USA | 🇺🇸 USA | 🇪🇺 Europe |
| Status | In Development | Active | Active |
| Vehicle class | Medium | Medium | Small |
| Propellant | CH₄ / LOX | RP-1 / LOX (RD-180); LH₂ / LOX (Centaur III) | Solid (HTPB + ammonium perchlorate all four stages) |
| Reusable | Yes | No | No |
| Stages | 2 | 2 | 4 |
| First flight | 2026 | 2002 | 2022 |
| Payload to LEO | 13,000 kgas of [1]Reusable configuration with downrange barge landing — this is the single payload figure Rocket Lab publishes. ~15,000 kg expendable. | 18,850 kgas of [1]401 configuration. Maximum 401/551 stretch to 20,520 kg. 551 max 29,420 kg (5-solid boosters). ↑ Best | 2,300 kgas of [1]SSO: ~1,700 kg |
| Payload to GTO | — | 8,900 kgas of [1]551 configuration (maximum performance) ↑ Best | — |
| Height | 43 mas of [1] | 58.3 mas of [1]401 configuration ↑ Best | 35 mas of [1] |
| Liftoff mass | ~481 tas of [1] ↑ Best | 334 tas of [1]401 configuration without strap-ons | 210 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 ↑ Best | 75%as of [2]6/8 successes; VV22 (Dec 2022) Zefiro-40 failure destroyed Pléiades Neo 5&6; returned to flight VV25 (Dec 2024). 3 successes in 2025. |
| 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 ↑ Best | 8as of [2] |
| Cost / kg LEO | — | — | ~$16,500/kgas of [1]Based on ~$38M list price / 2,300 kg ↓ Cheapest |
| Summary | Rocket Lab's medium-lift reusable rocket targeting the $100B constellation replenishment market. Uses a 'hungry hippo' fairings design that opens at the top rather than traditional clamshell separation. First flight delayed to Q4 2026 after a Jan 2026 propellant tank test anomaly. | 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. | Europe's primary small satellite launcher derived from Vega. The P120C first-stage motor is shared with Ariane 6's solid strap-on boosters. Avio took over programme management from Arianespace in Dec 2025. |
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.