Question: Bat 21 Bravo was the call sign for this US Air Force Lieutenant Colonel during the vietnam war who was rescued behind the lines of North Vietnam in what is known as the largest, longest, and most complex search-and-rescue operation during the Vietnam War
Sentence (from "Dale E. Stovall"): Dale E. Stovall (born February 19, 1944) is a retired Brigadier General in the United States Air Force who figured prominently in several search and rescue operations during the Vietnam War.
Relevant evidence: No