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 | Firefly Aerospace / Northrop Grumman | Northrop Grumman | Firefly Aerospace |
| Country | 🇺🇸 USA | 🇺🇸 USA | 🇺🇸 USA |
| Status | In Development | Retired | Active |
| Vehicle class | Medium | Medium | Small |
| Propellant | RP-1 / LOX | RP-1 / LOX (RD-181 first stage) | RP-1 / LOX |
| Reusable | Yes | No | No |
| Stages | 2 | 2 | 2 |
| First flight | 2027 | 2013 – 2023 | 2021 |
| Payload to LEO | 16,000+ kgas of [1]5 m fairing. Renamed from 'Medium Launch Vehicle' (MLV) to 'Eclipse' in May 2025 alongside the Northrop Grumman partnership. First stage (7 Miranda engines) designed for reuse from roughly the 6th flight onward; second stage uses one Vira engine. First flight targeted 2027 — stated plan, not yet flown. ↑ Best | 8,000 kgas of [1]Antares 230+ configuration; primarily used for ~3,500–3,800 kg Cygnus cargo | 1,030 kgas of [1]SSO capacity ~630 kg |
| Payload to GTO | — | — | — |
| Height | — | 41 mas of [1] ↑ Best | 29 mas of [1] |
| Liftoff mass | — | 298 tas of [1] ↑ Best | 54 tas of [1] |
| Success rate | — | 91.7%as of [2]11/12 successes; Orb-3 (CRS-3) exploded at liftoff Oct 2014 ↑ Best | 43%as of [2]3/7 full successes (FLTA003 Jul 2023, FLTA005 Dec 2024, FLTA007 Mar 2026) + 2 partial successes + 2 failures through FLTA007 |
| Total flights | — | 12as of [2]Final Antares flight was NG-19 (Aug 1, 2023). NG-20+ moved to Falcon 9 due to Antares RD-181 engine supply disruption (Russia sanctions). ↑ Best | 7as of [2] |
| Cost / kg LEO | — | — | ~$14,500/kgas of [1]Based on ~$15M list price / 1,030 kg LEO ↓ Cheapest |
| Summary | A medium-lift successor to Firefly's Alpha, co-developed with Northrop Grumman, aimed at the national-security and commercial medium-lift gap between small launchers and heavy-lift vehicles. | Primary launch vehicle for Cygnus ISS cargo missions from 2013–2023. Its Ukrainian-built Zenit-derived first stage and Russian RD-181 engines became untenable after the 2022 invasion of Ukraine. Northrop switched NG-20 onward to Falcon 9 while Antares 330 (with Firefly Miranda engines) is in development. | Firefly Aerospace's two-stage small-lift rocket powered by four Reaver engines at sea level and one Lightning engine in vacuum. Also provides launch services for NASA's CLPS programme (Blue Ghost lander launched on Falcon 9). FLTA007 'Stairway to Seven' succeeded Mar 11, 2026. |
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.