Space Launch Delta 30 Change of Command
Col. Anthony J. Mastalir, outgoing Space Launch Delta 30 commander, addresses the SLD 30 Hawks, during a change of command ceremony on June 11, 2021, Vandenberg Space Force Base, Calif. Mastalir expressed his gratitude to Team Vandenberg for supporting the mission during his time as SLD 30 commander. (U.S. Space Force photo by Michael Peterson)

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Photo by: Michael Peterson |  VIRIN: 210611-F-IN231-3156.JPG