USA-339

USA-339, also known as the Shepard Demonstration, USSF-44, and AFSPC-44, is a satellite owned by the United States Space Force (USSF). It was built to conduct technological experiments to mature technologies and accelerate risk reduction. The USSF has published little information about USA-339.

USA-339 was launched on November 1, 2022, at 9:41 EST on board the rocket Falcon Heavy USSF-44 anlong with the LDPE 2, Tetra 1, Alpine, and LINUSS 1 and 2 satellites. The Falcon Heavy USSF-44 launch was the first National Security Space Launch on a Falcon Heavy rocket, and was also the first launch of a Falcon Heavy since June 2019.