Thornton, William M.D.2018-05-242018-05-241963-09-25http://hdl.handle.net/2152.3/8831Correspondence from Dr. William Thornton to Colonel Ellingson regarding an internship in Aerospace Medicine within the United States Air Force.Dr. William ThorntonColonel EllingsonCorrespondencePreNASAUSAFUnited States Air Forceinternship