Experts Question Usefulness of Air Force's Robotic X-37B Space Plane

New observations of the Air Force

US Air Force's Secretive X-37B Space Plane Nears Day 500 in Orbit

Air Force's X-37B robotic space plane wings past 500 days in Earth orbit

Secret X-37B robotic space plane, solar sailing spacecraft launch

X-37B orbital test vehicle concludes sixth successful mission > United States Space Force > News

SpaceX will launch secretive X-37B spaceplane's next mission - The San Diego Union-Tribune

Spaceplane Development Becomes a New Dimension of Emerging U.S.-China Space Competition

U.S. Military Space Plane Begins a Fourth (Mostly) Secret Mission - The New York Times

What do you think the X-37B's mission is? – New Space Economy

X-37B Orbital Test Vehicle concludes 6th successful mission > 514th Air Mobility Wing > Display