U.S. Marine Corps Col. Daniel Sullivan poses for a photo with guests during his retirement ceremony at Marine Barracks Washington, D.C, Feb. 1, 2024. From left to right: Senators Tom Carpenter (D-Del.), Mazie Hirono (D-Hawaii), Joni Ernst (R-Iowa), Lindsey Graham, (R-S.C.), and Todd Young (R-AK). During the ceremony, Sullivan was honored for his time in the Marine Corps and congratulated for his 30 years of service. Sullivan is a Senator from Alaska and pursued a career in the Marine Corps Reserve simultaneously. (U.S. Marine Corps photo by Lance Cpl. Sarah Pysher)