Former U.S. Marine Paul Whelan, left, embraces his sister, Elizabeth Whelan, after being welcomed by President Joe Biden and Vice President Kamala Harris at Joint Base Andrews, Md., Aug. 1, 2024, following his release from Russian custody. Whelan's release, along with that of two other Americans and an American green-card holder, was facilitated by diplomatic efforts involving multiple allies. (U.S. Air Force photo by Staff Sgt. Isaac March)