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After spending one year and three months orbiting the Earth, an unmanned Air Force space plane completed its top secret mission early Saturday morning, successfully touching down at the Vandenberg Air Force Base.
The super-secret Air Force spaceplane that has been orbiting the Earth for over a year is coming in for a landing in June.
An experimental military space orbiter, known as the Orbital Test Vehicle (OTV), lifted off aboard an unmanned Atlas 5 rocket from Cape Canaveral Air Force Station on Saturday in a demonstration run that could last as long as nine months.
- An imitative word; an onomatopoetic word.