Texas-based Firefly Aerospace is celebrating in the present day (March 11) after efficiently launching its Alpha rocket for the primary time in practically a yr.
Article continues under
The test-stand explosion was finally traced to “a course of error throughout stage one integration that resulted in a minute hydrocarbon contamination,” in response to a Firefly replace in November, which dominated out a design flaw within the rocket and cleared its path again to the launch pad.
Nonetheless, Firefly modified “Stairway to Seven.” The corporate reframed it as a take a look at flight, specializing in reaching “nominal first and second stage efficiency,” in response to a mission description.
“Stairway to Seven” took to this skies this night (March 11) from House Launch Complicated-2 at Vandenberg House Pressure Base in California, with liftoff at 8:50 p.m. ET (0050 GMT on March 12).
At roughly 2 minutes, 40 seconds into flight, Alpha efficiently executed first-stage separation, jettisoning its major booster because the rocket’s higher stage continued powering its strategy to orbit.
Following fairing ejection about 30 seconds later, Alpha minimize off its upper-stage engine about 8 minutes after liftoff and reached orbit as deliberate, 151 miles (243 kilometers) above Earth.
“Mission success! Alpha Flight 7 achieved nominal efficiency and validated key programs forward of our Block II configuration improve. This take a look at flight additionally delivered a demonstrator payload for @LockheedMartin. Congratulations to all the Stairway to Seven group!” Firefly wrote through X after the flight.
Mission success! Alpha Flight 7 achieved nominal efficiency and validated key programs forward of our Block II configuration improve. This take a look at flight additionally delivered a demonstrator payload for @LockheedMartin . Congratulations to all the Stairway to Seven group! Learn extra:… pic.twitter.com/e7Sp0RqB9HMarch 12, 2026
Having now efficiently climbed the “Stairway to Seven,” Firefly will retire Alpha’s Block I configuration, because it continues upgrading the launch car to reinforce its capabilities.
Greater than only a requalification flight, Firefly says Alpha’s seventh launch served to “take a look at and validate key programs forward of Firefly’s Block II configuration,” which is slated to debut on Flight 8.
Alpha Block II will stand about 7 ft (2.13 meters) taller than its 96.7-foot-tall (29.6-m) predecessor and can function upgraded avionics and energy programs, in addition to improved thermal protections.
In the present day’s launch was a big step ahead for Firefly, which has excelled in some areas of its area enterprise greater than others. Final yr, the corporate’s uncrewed Blue Ghost moon lander turned the primary personal spacecraft to efficiently full a mission on the lunar floor, however Alpha has now managed full mission success simply thrice in its seven orbital launch makes an attempt.
Editor’s observe: This story was up to date at 12:30 a.m. ET on March 12 to incorporate Firefly’s post-launch X submit.

