what was his designation?
Captain.
Thomas J. Hudner Jr.
captain,
who was thomas j. hudner jr.? An officer of the United States Navy and a naval aviator.
wiki:4244817
Thomas J. Hudner Jr. [SEP] Introduction
Thomas Jerome Hudner Jr. (August 31, 1924 – November 13, 2017) was an officer of the United States Navy and a naval aviator. He rose to the rank of captain, and received the Medal of Honor for his actions in trying to save the life of his wingman, Ensign Jesse L. Brown, during the Battle of Chosin Reservoir in the Korean War. Born in Fall River, Massachusetts, Hudner attended Phillips Academy and the United States Naval Academy. Initially uninterested in aviation, he eventually took up flying and joined Fighter Squadron 32, flying the F4U Corsair at the outbreak of the Korean War.