Eclipse

In Development
Firefly Aerospace
Firefly Aerospace
Eclipse

Overview

Reusable medium-lift launch vehicle co-developed with Northrop Grumman for commercial, civil, and national-security missions, launching from Virginia's Mid-Atlantic Regional Spaceport.

All major flight articles — including Miranda engines, LOX transfer line, pressure vessels, and interstage — are in build and test, and Firefly is progressing through Stage 1 tank testing. First launch from Wallops is now targeted no earlier than 2027.

Key Specs

Payload to LEO

16,300 kg

Payload to GTO

3,200 kg

Overall Length

59 m (194 ft)

Target First Launch

NET 2027