This is a list of satellites and spacecraft which have been given OPS designations by the United States Air Force. These designations have been applied...

"splitting" spacecraft tracks). Spaceflight portal List of OPS satellites List of USA satellites (501-1000) List of NRO launches NSSL Missions "SeeSat-L - Milstar...

military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 462 space satellites. There...

Call of Duty: Black Ops II is a 2012 first-person shooter video game developed by Treyarch and published by Activision. It was released for Microsoft Windows...

Call of Duty: Black Ops Cold War is a 2020 first-person shooter game co-developed by Treyarch and Raven Software and published by Activision. It is the...

OPS 5111, also known as Navstar 1, NDS-1, GPS I-1 and GPS SVN-1, was an American navigation satellite launched in 1978 as part of the Global Positioning...

in space. OPS-SAT was launched at 08:54:20 UTC on 18 December 2019, exactly twenty-four hours later than originally planned. The satellite deorbited on...

minimum of 24 operational satellites, and allows for up to 32; typically, 31 are operational at any one time. A GPS receiver needs four satellites to work...

began flight testing their satellite technologies in 2018 with the launch of two test satellites. The two identical satellites were called MicroSat-2a and...

was a series of seven United States spy satellites launched between 1968 and 1977. Also known by its program number AFP-827, the satellites were developed...

internally as OPS (Russian: ОПС, GRAU index 11F71 and 11F71B), from "Orbital Piloted Station" (Russian: Орбитальная Пилотируемая Станция). As part of the Almaz...

operational lifetime for the imaging satellites, and vi) communication satellites to facilitate close-to-realtime downlink of the images. KH-11s are believed...

ground-resolution of 2 ft (0.61 m) to 3 ft (0.91 m). Though most of the imagery from the KH-7 satellites was declassified in 2002, details of the satellite program...

satellites appear to be part of the system. The SDS satellites were constructed by Hughes Aircraft Company. The primary purpose of the SDS satellites...

OPS 5118, also known as Navstar 6, GPS I-6 and GPS SVN-6, was an American navigation satellite launched in 1980 as part of the Global Positioning System...

the video game Call of Duty: Black Ops (2010), as well as its sequels Call of Duty: Black Ops II (2012), and Call of Duty: Black Ops 4 (2018). Samuel Henry...

OPS 5117, also known as Navstar 5, GPS I-5 and GPS SVN-5, was an American navigation satellite launched in 1980 as part of the Global Positioning System...

also known as AFP-711 is reportedly a code name for a class of SIGINT reconnaissance satellites operated by the National Reconnaissance Office for the United...

of the third pair of Vela series satellites; taken together with Vela 3A and ERS 17 satellites. The secondary task of the ship was space research (X-rays...

SAMOS-F or Air Force Program 102 refers to a series of SIGINT reconnaissance satellites launched and operated by the United States Air Force and National...

as "Department of Defense satellite launches".: xiii–xiv  The first series of CORONA satellites were the Keyhole 1 (KH-1) satellites based on the Agena-A...

OPS 5113, also known as Navstar 3, GPS I-3 and GPS SVN-3, was an American navigation satellite launched in 1978 as part of the Global Positioning System...

OPS 5112, also known as Navstar 2, NDS-2, GPS I-2 and GPS SVN-2, was an American navigation satellite launched in 1978 as part of the Global Positioning...

placed in orbit inside artificial satellites. Special and general relativity predicted that the clocks on GPS satellites, as observed by those on Earth,...

satellite will be closely studied" and "Since it is a learning phase, the study of the satellite will help us in developing more advanced satellites in...

OPS 5114, also known as Navstar 4, GPS I-4 and GPS SVN-4, was an American navigation satellite launched in 1978 as part of the Global Positioning System...

a program of the United States Space Force that operated the reconnaissance satellites which form the principal component of the Satellite Early Warning...

Launch Pad at the Satish Dhawan Space Centre. Spaceflight portal List of Indian satellites PSLV-C46 "Display: RISAT-2B 2019-028A". NASA. 27 April 2021. Retrieved...

OPS 9794, also known as Navstar 8, GPS I-8 and GPS SVN-8, was an American navigation satellite launched in 1983 as part of the Global Positioning System...

similar satellites were looking at different parts of the Earth, or weather conditions precluded them seeing the same event. The Vela satellites had previously...