Spc. 4 Roberto Santiago-Irizarry and 2nd Lt. Yoon Jung Lee, both with the 18th Space Defense Squadron, monitor Space Domain Awareness information on the 18th SDS operations floor at Vandenberg Space Force Base, Calif., Oct. 4, 2024. The 18th SDS is the U.S. Space Force's premier SDA squadron and enables U.S. Space Forces - Space to provide conjunction analysis and potential collision notifications to NASA and other satellite owner-operators. (U.S. Space Force photo by David Dozoretz)