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 | Relativity Space | United Launch Alliance |
| Country | 🇺🇸 USA | 🇺🇸 USA |
| Status | In Development | Retired |
| Vehicle class | Heavy | Heavy |
| Propellant | LOX / methane | LH2 / LOX |
| Reusable | Yes | No |
| Stages | 2 | 2 |
| First flight | 2026 | 2004 – 2024 |
| Payload to LEO | 33,500 kg expendable / 23,500 kg with a reusable first stageas of [1]First flight targeted 2026 (stated plan, not yet confirmed flown as of this research). ↑ Best | 28,370 kgas of [1] |
| Payload to GTO | — | — |
| Height | 87 mas of [1] ↑ Best | 70.7 mas of [1] |
| Liftoff mass | — | 733 tas of [1] ↑ Best |
| Success rate | — | 93.75% (15/16 full success, 1 partial failure)as of [1] ↑ Best |
| Total flights | — | 16as of [1] ↑ Best |
| Cost / kg LEO | ~$55M per launch (estimate)as of [1]Total launch price estimate, not a per-kg figure. ↓ Cheapest | — |
| Summary | Relativity Space's Falcon-9-class successor to Terran 1, partially 3D-printed, with 13 Aeon R methalox engines on a reusable first stage; second stage and fairing expendable. | ULA's triple-common-booster-core heavy-lift launcher, retired 2024-04-09 after its final flight; superseded by Vulcan Centaur, which ULA states offers similar heavy-lift capability at lower cost.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.