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Firefly Aerospace Firefly Alpha Stairway to Seven - space launch mission detailed information

When is Firefly Aerospace Firefly Alpha Stairway to Seven? Launch date 12/MAR/2026 — Firefly Alpha rocket launch by Firefly Aerospace from Space Launch Complex 2W.

Firefly Aerospace Firefly Alpha Stairway to Seven launch date, launch time, live countdown, live stream and mission status (Success) — tracked on Space Realm.

Firefly Aerospace Firefly Alpha Stairway to Seven

Firefly Alpha rocket used for the Stairway to Seven space launch

Firefly Alpha

USA flag — Firefly Alpha rocket external-link-icon-img

Status

Success

Date

12 MAR 2026

00:50

Mission Overview

Firefly Alpha's Flight 7 is a test flight and return-To-Flight for the launch vehicle after its April 2025 launch failure. It will test and validate key systems ahead of Firefly’s Block II configuration upgrade on Flight 8 that’s designed to enhance reliability and manufacturability across the vehicle. Flight 7 is the last flown in Alpha’s current configuration and will test multiple Block II subsystems, including the in-house avionics and thermal improvements, to gain flight heritage and validate lessons learned ahead of the full configuration upgrade on Flight 8. This launch also delivered a demonstrator payload for Lockheed Martin.

Rocket

Firefly Alpha

Mission Type

Test Flight

Orbit

Low Earth Orbit

Stages

2

Livestream

Rocket Details

Firefly Alpha (Firefly α) is a two-stage orbital expendable launch vehicle developed by the American aerospace company Firefly Aerospace to cover the commercial small satellite launch market. Alpha is intended to provide launch options for both full vehicle and ride share customers.

Height

29.6 m

Diameter

1.82 m

Launch Mass

54 T

Thrust

736 kN

Version: 2.11.2

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