The satellite USA 455 (OBJECT_ID: 2024-243Q) is a Starshield spacecraft launched by the US on December 17, 2024, from SLC4E at AFWTR using a Falcon 9 launch vehicle. It has dimensions of 0.3 meters in length, 4.1 meters in diameter, and a span of 29 meters. The satellite's dry mass is 750 kilograms, with a launch mass of 800 kilograms. Manufactured by SPXS for the National Reconnaissance Office (NROC), USA 455 is equipped with deployable solar arrays and has a mission purpose that remains undisclosed but is suspected to involve imaging or SIGINT operations. The satellite's shape consists of a box with a pan design, and it carries the payload Starshield 5-15.