From left, U.S. Air Force Col. Angelique Nelson, 11th Mission Support Group commander, bestows a guidon upon Lt. Col. Daniel R. Romero, 11th Civil Engineer Squadron incoming commander, during a change of command ceremony at Joint Base Anacostia-Bolling, Washington, D.C., June 18, 2025. Romero previously served as the executive officer and military advisor for the Deputy Assistant Secretary of the Air Force for Installations, Department of the Air Force. (U.S. Air Force photo by Tech. Sgt. Sergio A. Gamboa)

From left, U.S. Air Force Col. Angelique Nelson, 11th Mission Support Group commander, receives a guidon from Lt. Col. April H. Clemmensen, 11th Civil Engineer Squadron outgoing commander, during a change of command ceremony at Joint Base Anacostia-Bolling, Washington, D.C., June 18, 2025. Clemmensen served as the 11th CES commander for two years and led 290 military and civilian members in the sustainment of more than one thousand facilities, readiness and response plan development for three National Special Security Events and execution of various infrastructure initiatives. (U.S. Air Force photo by Tech. Sgt. Sergio A. Gamboa)