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The X-37B Orbital Test Vehicle, the Air Force's unmanned, reusable space plane, landed at Vandenberg Air Force Base, Calif., June 16, 2012. OTV-2, which launched from Cape Canaveral Air Force Station, Fla., March 5, 2011, conducted on-orbit experiments for 469 days during its mission. (Boeing photo/ Paul Pinner)
The X-37B Orbital Test Vehicle, the Air Force's unmanned, reusable space plane, landed at Vandenberg Air Force Base, Calif., June 16, 2012. OTV-2, which launched from Cape Canaveral Air Force Station, Fla., March 5, 2011, conducted on-orbit experiments for 469 days during its mission. (Boeing photo/ Paul Pinner)

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    Has this space plane been spying on us?

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Has this space plane been spying on us?

The Air Force's X-37B has been in orbit for 22 months and is expected to land in California this week.

Has this space plane been spying on us?

The Air Force's X-37B has been in orbit for 22 months and is expected to land in California this week.