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USA-268, also known as NROL-37, is an American signals intelligence satellite. Though officially classified, it is known to be an Advanced Orion satellite, making it one of the largest and most expensive satellites ever built.
|Mission type||Signals intelligence|
|Operator||National Reconnaissance Office|
|Spacecraft type||Advanced Orion|
|Start of mission|
|Launch date||11 June 2016, 17:51UTC|
|Rocket||Delta IV Heavy|
|Launch site||Cape Canaveral SLC-37B|
|Perigee altitude||35,563 kilometers (22,098 mi)|
|Apogee altitude||36,024 kilometers (22,384 mi)|
- "NROL-37 Satellite – Delta IVH – NROL-37 | Spaceflight101". Retrieved 2020-09-29.
- Alliance, United Launch. "United Launch Alliance Successfully Launches NROL-37 Payload for the National Reconnaissance Office". www.prnewswire.com. Retrieved 2020-09-29.