15th Space Surveillance Squadron:  Fifteenth SPSS, located at the Maui Space Surveillance Complex, Hawaii, develops, assesses, delivers, and operates cutting-edge SDA capabilities to support warfighter needs. The 15th SPSS has two missions: SDA operations and SDA research and development. It consists of a blended organizational structure of Space Force and Air Force Research Laboratory personnel. 15th SPSS operates three AN/FSD-3 Ground-Based Electro-Optical Deep Space Surveillance systems at the Maui Space Surveillance Complex, while Detachment 1 operates at Stallion Army Airfield in Socorro, New Mexico and Detachment 2 operates at NSF Diego Garcia. The squadron also provides oversight of the Maui High Performance Computer Center Vanguard Center. 

The 15 SPSS is unique as it fuses Space Domain Awareness Operations and SDA Research and Development. 15 SPSS is a component of Mission Delta 2 and also operates experimental systems under the Air Force Research Laboratory.