All verified mentions of this organization in source documents.
Detachment 2 of the 15th Space Surveillance Squadron operates a Ground-Based Electro-Optical Deep Space Surveillance (GEODSS) site at Diego Garcia.
Space Delta 2 and its components—the 15th Space Surveillance Squadron, 18th Space Defense Squadron, 19th Space Defense Squadron, and 20th Space Surveillance Squadron—collaborated during Artemis I to test capabilities to maintain custody of cislunar objects.