A United Launch Alliance (ULA) Atlas V rocket carrying the SILENTBARKER/NROL-107 mission for the National Reconnaissance Office (NRO) and the United States Space Force's Space Systems Command (SSC) lifted off on Sept.10 at 8:47 a.m. EDT from Space Launch Complex-41 at Cape Canaveral Space Force Station. To date, ULA has launched 157 times with 100 percent mission success. 
 
Atlas V SILENTBARKER/NROL-107 Launch Blog