Terran Orbital built the ten satellite buses on its Zuma Platform smallsat-class spacecraft.
Lady Rocket Foundation runs the Zuma initiative, which aims to provide firefighters and police in California with affordable access to high-resolution optical imagery.
The Falcon 9 first stage used on the 2018-05-22 launch first flew in January carrying the classified Zuma payload.
The Falcon 9 first stage used on 2018-05-22 was a reused booster that previously launched Northrop Grumman’s Zuma mission in January.