United Launch Alliance Atlas V 421
Space Launch Complex 41, Cape Canaveral Air Force Station, Florida
July 28, 2016 @ 8:37 AM EDT
NROL-61 is a highly classified mission in support of U.S. national security. NROL-61 is owned by the National Reconnaissance Office, a covert government agency. All details of NROL-61 are classified. The launch was conducted by United Launch Alliance with the Atlas V 421.