USA 389, also known as Starshield 2-15, is a satellite operated by NROC (National Reconnaissance Office) and was launched on June 29, 2024, from the AFWTR Space Launch Complex 4E using a Falcon 9 launch vehicle. The spacecraft has dimensions of 0.3 meters in length, 4.1 meters in diameter, and spans 29 meters with deployable solar arrays for power generation. It weighs 750 kg at launch, with a dry mass of 700 kg. The satellite's mission is unknown but suspected to involve imaging or SIGINT (Signals Intelligence). Its shape is described as box-like with a pan, and the configuration is based on the Starshield bus.