FLOCK 1E-5, also known as Flock 1e-5, is a CubeSat (3U) satellite developed and owned by PLABS in the US. It was launched on November 20, 1998, from LC40 at TYMSC using a Falcon 9 launch vehicle. The satellite has dimensions of 0.3 meters length, 0.1 meters diameter, and 0.3 meters span, with a dry mass of 4.5 kg and the same launch mass. Its primary mission is technology demonstration, equipped with PS0, PS1 or PS2 imaging payload known as Dove 0B07 for capturing Earth images. FLOCK 1E-5 uses solar cells and batteries for power generation and has a shape described as Box+2 pan. The expected lifetime ranges from about one year in ISS orbit to 2-3 years in Sun-Synchronous Orbit (SSO).