Enlarge / A Minotaur rocket launches the NROL-111 mission on Tuesday. (credit: Trevor Mahlmann)
For the first time in nearly eight years, a Minotaur 1 rocket launched into space Tuesday from NASA’s Wallops Flight Facility in Virginia. The rocket, which is derived from Cold-War-era surplus missiles, carried three classified satellites into orbit for the US National Reconnaissance Office.
This was the first launch of the four-stage Minotaur 1 rocket since a demonstration mission for the Air Force in 2013, which also orbited 23 CubeSats. Although the current mission was delayed for more than two hours by poor weather on Tuesday morning, it successfully launched at 9:35 am ET (13:35 UTC).
The Minotaur 1, which has the capacity to launch a little more than 500 kg into low-Earth orbit, is a mix of decades-old technology and modern avionics. The vehicle’s first and second stage are taken from a repurposed Minuteman I missile, the first generation of land-based intercontinental ballistic missiles. These missiles were in service from 1962 to 1965 before they were phased out in favor of the Minuteman II and Minuteman III missiles. The latter ICBMs are still in silos today.
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