USSPACECOM hosts SEAC, highlights role of space in warfighting ethos
Left, Chief Master Sgt. Jacob C. Simmons, U.S. Space Command command senior enlisted leader; Col. Samuel R. Oppelaar, deputy commander for Space Delta 15; U.S. Navy Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff (SEAC) David L. Isom; and Chief Master Sgt. John W. Harms, senior enlisted leader for DEL 15, stand together for a group photo during SEAC Isom’s visit to the NSDC at Schriever Space Force Base, Colorado, July 30, 2025. As part of the visit, SEAC Isom received mission briefs on space operators executing mission-essential tasks that directly bolster Joint Force lethality and combat effectiveness. Through DEL 15’s “Watch, Warn, Win” vignettes, the SEAC gained direct insight into operational readiness, threat characterization, and integrated deterrence. DEL 15 is U.S. Space Force’s command and control organization within U.S. Space Forces – Space that is presented to U.S. Space Command and the Combined Joint Force Space Component Commander to accomplish the NSDC’s protect and defend space mission.