DEL 3 trains and presents operational combat-ready space electromagnetic warfare forces in support of assigned missions. DEL 3 is headquartered at Peterson Space Force Base, Colorado.

MISSION
Present combat-ready EW professionals to integrate, synchronize, and execute fires for U.S., Allied, and Coalition forces.

VISION
Premier Electromagnetic Warfare organization capable of integration and synchronization of joint fires across all domains.

HISTORY
The 721st Operations Group was originally activated Oct. 10, 2019, during a ceremony at Peterson Air Force Base, Colorado. The 721st OG was re-designated the Space Delta 3 - Space Electronic Warfare, during a ceremony on July 24, 2020, at Peterson AFB, Colorado. On July 26, 2021, Peterson AFB was renamed to Peterson Space Force Base, Colorado. On Sept. 21, 2021, DEL 3 was cleared to change their name to Space Delta 3 - Space Electromagnetic Warfare.