FLOCK 4X-3, also known as Flock 4x-3, is a CubeSat (3U) satellite manufactured by PLAN and owned by the same entity. It was launched on January 13, 2022, from Launch Complex 40 at Cape Canaveral using a Falcon 9 launch vehicle. The satellite measures 0.3 meters in length with a diameter of 0.1 meters and spans 0.3 meters. Its dry mass is 5.7 kilograms, the same as its launch mass. Equipped with PS0, PS1 or PS2 imaging payload technology, FLOCK 4X-3 operates on solar cells and batteries for power. The satellite's mission is focused on technology purposes, and it has a lifespan of approximately one year in International Space Station orbit or two to three years in Sun-Synchronous Orbit (SSO).