Airmen from the 436th Aerial Port Squadron load cargo onto an aircraft in support of a security assistance mission between the U.S. and Ukraine at Dover Air Force Base, Delaware, May 24, 2021. The U.S. and Ukraine first initiated a partnership in 1993. Missions such as this demonstrate the U.S.’s commitment to Ukraine’s independence, sovereignty and territorial integrity. (U.S. Air Force photo by Airman 1st Class Cydney Lee)