Boeing X-37B

Author(s): DaveBowman2001

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The Boeing X-37B is a small robotic spaceplane operated by the US Air Force Space Command (AFSPC), and later the US Space Force, which were intended for flying classified military missions since 2010

The X-37B during the Boeing OTV-7 mission, 2023–2025

Boeing X-37B
(2010–Present)
Mission Start End
Boeing OTV-1
(USA-212)
2010-Apr-222010-Dec-3
X-37B-1 (Flight 1), 224 days
Boeing OTV-2
(USA-226)
2011-Mar-222012-Jun-3
X-37B-2 (Flight 1), 468 days
Boeing OTV-3
(USA-240)
2012-Dec-112014-Oct-17
X-37B-1 (Flight 2), 674 days
Boeing OTV-4
(USA-261)
2015-May-202017-May-7
X-37B-2 (Flight 2), 717 days
Boeing OTV-5
(USA-277)
2017-Sept-72019-Oct-27
X-37B-2 (Flight 3), 779 days
Boeing OTV-6
(USA-299)
2020-May-172022-Nov-12
X-37B-1 (Flight 3), 909 days
Longest spaceflight of the X-37B to date
Boeing OTV-7
(USA-349)
2023-Dec-282025-Mar-7
X-37B-2 (Flight 4), 434 days
First spaceplane to fly into a high Earth orbit
Boeing OTV-8
(USA-555)
2025-Aug-21(Active)
X-37B-1 (Flight 4), ongoing
Timeline of Boeing X-37B flights

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