FLOCK 4X-26, also known as Flock 4x-26, is a CubeSat (3U) technology satellite manufactured by PLAN and owned by the same entity. Launched on January 13, 2022, from LC40 at AFETR using a Falcon 9 launch vehicle, this small satellite has dimensions of 0.3 meters in length and diameter, with a span also measuring 0.3 meters. Weighing approximately 5.7 kilograms both at launch and dry mass, it is equipped with PS0, PS1 or PS2 imaging payload technology. The mission's primary purpose is for technological advancement, utilizing solar cells and batteries as its power source. The satellite's expected operational lifespan ranges from about one year in an ISS orbit to two to three years in a Sun-Synchronous Orbit (SSO).