
The Air Force and United Launch Alliance (ULA) on Wednesday successfully launched the service’s secretive, unmanned space plane called the X-37B Orbital Test Vehicle (OTV) at 11:05 a.m. EDT from Cape Canaveral Air Force Station, Fla., according to a ULA statement.This is the fourth mission for the X-37B, a 29 feet long shuttle-like spacecraft designed to operate in low-earth orbit (LEO) at a nominal speed of about 17,500 miles per hour. In its last mission, the X-37B flew for nearly…