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The global launch market reached $14.1 billion in 2024 — up 34% since 2021.
| Attribute | |||
|---|---|---|---|
| Company | JAXA / IHI Aerospace | ULA | Avio / Arianespace |
| Country | 🇯🇵 Japan | 🇺🇸 USA | 🇪🇺 Europe |
| Status | Retired | Active | Active |
| Vehicle class | Small | Heavy | Small |
| Propellant | Solid (HTPB — all stages) | LNG / LOX (BE-4); LH₂ / LOX (Centaur V) | Solid (HTPB + ammonium perchlorate all four stages) |
| Reusable | No | No | No |
| Stages | 3 | 2 | 4 |
| First flight | 2013 – 2022 | 2024 | 2022 |
| Payload to LEO | 590 kgas of [1]500 kg to SSO. Enhanced Epsilon (from E-4) added 700 kg LEO via PBS liquid kick stage. | 27,200 kgas of [1]VC2S configuration (2 solid strap-on boosters) ↑ Best | 2,300 kgas of [1]SSO: ~1,700 kg |
| Payload to GTO | — | 14,400 kgas of [1] ↑ Best | — |
| Height | 26 mas of [1] | 61.6 mas of [1] ↑ Best | 35 mas of [1] |
| Liftoff mass | 96 tas of [1] | 591 tas of [1]VC2S configuration ↑ Best | 210 tas of [1] |
| Success rate | 83.3%as of [2]5/6 successes. E-6 (Oct 12, 2022) PBS upper stage failed to ignite, eight satellites lost. Epsilon S (next-generation) ground test anomaly Jan 2023 effectively ended the programme. | 100%as of [2]4/4 mission successes: VC2 Cert-1 (Jan 2024), VC2 Cert-2 (Oct 2024), VC4 USSF-87 (Feb 2026), VC2 USSF-106 (Mar 2026) ↑ 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 | 6as of [2] | 4as of [2] | 8as of [2] ↑ Best |
| Cost / kg LEO | — | ~$5,500/kgas of [1]Estimated; list pricing not public. Priced below Atlas V, above Ariane 6. ↓ Cheapest | ~$16,500/kgas of [1]Based on ~$38M list price / 2,300 kg |
| Summary | JAXA's small solid-fuel rocket derived from the M-V rocket heritage. Designed for highly autonomous operations — launch preparations could be managed by just 8 people. The sixth and final E-6 mission (Oct 2022) failed when the PBS kick stage didn't ignite; a ground explosion during Epsilon S testing (Jan 2023) ended the programme. | ULA's next-generation medium-heavy rocket replacing Atlas V. Powered by two BE-4 engines on the first stage and a cryogenic Centaur V upper stage. Primary customer is USSF under NSSL Phase 2. | 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. |
28 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.