For the first time in its 10-year flight history, the Minotaur IV rocket is preparing to make its inaugural launch from the Mid-Atlantic Regional Spaceport, MARS, on Wallops Island, Virginia.
The classified mission from the National Reconnaissance Office, known as NROL-129, is set to launch sometime within a launch window that opens at 09:00 EDT (13:00 UTC) on Wednesday, 15 July 2020.