Lunar Flashlight is a very small 6-unit satellite (12 by 24 by 36 centimeters) developed by NASA’s Jet Propulsion Laboratory in Pasadena, California, and NASA’s Marshall Space Flight Center in Huntsville, Alabama.
NASA
<a rel="nofollow" class="external free" href="https://www.nasa.gov/directorates/spacetech/small_spacecraft/NASA_CubeSats_Play_Big_Role_in_Lunar_Exploration">https://www.nasa.gov/directorates/spacetech/small_spacecraft/NASA_CubeSats_Play_Big_Role_in_Lunar_Exploration</a>