Science Videos

Firefly Aerospace Launches Alpha Flight 7 "Stairway To Seven"

Firefly Aerospace is set to lift off its Alpha rocket on its seventh flight, dubbed “Stairway to Seven,” from Vandenberg’s Space Launch Complex 2. The mission is a block‑one test flight that will field several block‑two components ahead of the next launch, marking the final launch of the current configuration. The launch team highlighted a suite of upgrades: a seven‑foot extension to the vehicle, carbon‑fiber composite tanks produced with automated fiber placement, consolidated in‑house batteries and avionics, and an enhanced thermal protection system. An automated flight termination system (AFTS) will replace the traditional manual range‑kill, using onboard software to monitor safety corridors in real time. Over 3,000 manual steps and 50 automated sequences have been executed during pad processing, reflecting the company’s focus on quality after earlier upper‑stage anomalies. Engineers such as structures lead Morgan Fiani emphasized “quality and reliability” as the guiding principles, noting that the block‑two subsystems will fly in a shadow mode to gather data without controlling the vehicle. The countdown includes a fully automated final go/no‑go poll and a tightly choreographed sequence of engine lighting, stage separation, and fairing jettison, all captured by upgraded pad cameras. If successful, Flight 7 will provide critical flight heritage for the block‑two upgrades slated for Flight 8, bolstering confidence among commercial customers and positioning Firefly to compete for medium‑lift contracts. The test also demonstrates the company’s ability to iterate quickly after setbacks, a key metric for investors and partners in the increasingly crowded small‑sat launch market.