An unmanned U.S. Air Force spacecraft made by Boeing, with a vaguely defined military mission, landed early Friday in California after a seven-month mission, officials said.

The X-37B, the U.S. Air Force’s first unmanned re-entry spacecraft, landed at Vandenberg Air Force Base at 3:16 a.m., according to an Air Force statement. The orbital spacecraft “conducted on-orbit experiments for more than 220 days during its maiden voyage,” the statement said. Get the full story »