Firefly Aerospace Launches Final Flight of Alpha Rocket, Validates Upgrades

VANDENBERG SPACE FORCE BASE, Calif. – Firefly Aerospace successfully launched its Alpha Flight 7 mission on March 11, 2026, from Space Launch Complex 2 at Vandenberg Space Force Base. This launch marked the final flight for the current iteration of the Alpha rocket, with the company preparing to transition to an upgraded “Block 2” version. [Firefly Aerospace]

Successful Test Flight and Payload Delivery

The Alpha rocket lifted off at 5:50 pm PDT, completing orbital insertion and delivering a demonstrator payload for Lockheed Martin. The mission likewise included a successful stage two engine relight, a critical maneuver for precise orbital positioning. [Firefly Aerospace] As designed, the first stage booster landed in the Pacific Ocean, while the upper stage burned up upon re-entry into Earth’s atmosphere.

Alpha Block 2 Upgrades Validated

Flight 7 served as a validation test for key upgrades planned for the Alpha Block 2 rocket, including a new in-house avionics suite and an enhanced thermal protection system. [Firefly Aerospace] These improvements aim to enhance the reliability and manufacturability of the vehicle.

Looking Ahead: Alpha Block 2

Firefly Aerospace is now focused on completing the final milestones for the Alpha Flight 8 mission, which will feature the full Block 2 configuration. The upgraded rocket will be approximately seven feet longer and incorporate consolidated batteries, improved avionics, a stronger thermal protection system, and carbon composite structures built with automated machinery. [Firefly Aerospace]

Return to Flight After Grounding

This launch represented a critical return to flight for Firefly’s Alpha rocket, which had been grounded for nearly a year following a mishap in April 2025. During the April 29, 2025, flight, a component of the rocket crashed into the Pacific Ocean during a mission to launch a prototype satellite for Lockheed Martin. A subsequent incident in September 2025 involved the failure of the first stage during testing in Central Texas. [Wikipedia]

Firefly Alpha Rocket Overview

The Firefly Alpha is a two-stage, small satellite launch vehicle designed to compete in the commercial small satellite launch market. [Wikipedia] It is capable of delivering over 2,000 pounds (1,030 kg to LEO, 630 kg to SSO) to low-Earth orbit. [Wikipedia] The rocket is approximately 95 feet tall and 6 feet in diameter. [Wikipedia] Launch costs are estimated between $15 and $17.6 million. [Wikipedia]

Launch History

• First Flight: September 3, 2021
• Total Launches: 7
• Successes: 3
• Failures: 2
• Partial Failures: 2
• Last Flight: March 12, 2026

[Wikipedia]

“Alpha Flight 7 was flawlessly executed with all mission requirements completed, further proving the resiliency, innovation, and passion of the Firefly team,” said Jason Kim, CEO of Firefly Aerospace. [Firefly Aerospace]