The U.S. Space Force’s Rocket Systems Launch Program Office, part of the Space and Missile Systems Center’s Launch Enterprise at Kirtland Air Force Base, New Mexico, announced the award of the first on ramp of the Orbital Services Program (OSP)-4 Indefinite Delivery/Indefinite Quantity (IDIQ) contract Aug. 9, 2021, to ABL Space Systems Corp, Astra Space, Inc., and Relativity Space, Inc.