FLOCK 4X-25, also known as Flock 4x-25, is a CubeSat (3U) technology satellite manufactured by PLAN and owned by the same entity. It was launched on January 13, 2022, from AFETR Launch Pad LC40 using a Falcon 9 launch vehicle. The satellite has dimensions of 0.3 meters in length and diameter, with a span of 0.3 meters. FLOCK 4X-25 weighs 5.7 kilograms both at launch and dry mass. It is equipped with PS0, PS1 or PS2 imaging payload, Dove 24a3 payload for technology purposes, and solar cells along with batteries for power generation. The expected lifetime of the satellite varies from about one year in an ISS orbit to two to three years in a Sun-Synchronous Orbit (SSO).