launched from USA

X-37B OTV-2

Success
MAR 05201122:46:00 UTC

Atlas V carried the second X-37B mission, the first flight of the program's second reusable spaceplane. The US Air Force vehicle stayed in orbit for 468 days and landed at Vandenberg Air Force Base on 16 June 2012; its payload was never publicly identified.

launched from SLC-41 Canaveral

aboard Atlas V 501 into LEO

Payload

USA-226 (X-37B FLT-2)

Technology demonstration

last updated Oct 8, 2026