Radiomen. Making radio operators licensed officers aboard ship, executive hearings before subcommittee, 79th Congress, 1st session, on H. R. 4067 and H. R 4163. bills to amend Revised statute 4131 (46 U. S. C. 221), and H. R. 4603, to provide for licensing by Bureau of Marine Inspection and Navigation of marine radiotelegraph operators, Oct. 31-Nov. 8, 1945.