USA 381, also known as Starshield 2-07, is a satellite launched on June 29, 2024, from AFWTR SLC4E using a Falcon 9 launch vehicle. It has a dry mass of 700 kg and a launch mass of 750 kg. The spacecraft measures 0.3 meters in length with a diameter of 4.1 meters and a span of 29 meters, indicating the presence of deployable elements such as solar arrays. It was manufactured by SPXS for NROC and is believed to serve an imaging or SIGINT (Signals Intelligence) mission. The purpose remains unknown but is speculated to be related to intelligence gathering.