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The Margin: Secret Air Force ‘space plane’ lands after nearly 2 years in orbit

A secretive unmanned U.S. Air Force “space plane” landed Sunday in Florida after a record-breaking time in orbit, waking up thousands of Floridians in the process.

The X-37B Orbital Test Vehicle, which resembles a mini space shuttle, landed at NASA’s Kennedy Space Center around 8 a.m. Eastern, startling many on the ground as it sent a sonic boom across central Florida.

Built by Boeing Co. BA, +1.06% , the reusable, solar-powered X-37B was in orbit for almost two years — 718 days in all, breaking the endurance record set by a previous X-37B flight of 614 days. Overall, the program’s spacecraft have spent 2,085 days in orbit, according to the Air Force.

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