1951) Capt Eugene A. Frank (from 16 Apr) Capt William M. Sigler, Jr. (from 7 Sep) 1stLt Dennis Manko (from 28 Nov) Commanding Officer, Battery M Capt Vernon W. Shapiro (to 3 Feb 1951) Capt Charles E. Walker (from 14 Feb) Capt Walter E. Magon (from 18 Jun) 1stLt George C. Briggs, Jr. (from 28 Nov) 1stLt Louis M. Dunklin (from 10 Feb 1952) 1stLt Billy J. White (from 18 Mar) _1st Amphibian Tractor Battalion_ Commanding Officer LtCol Erwin F. Wann, Jr. (to 26 Sep 1951) LtCol Michiel Dobervich (from 27 Sep) Executive Officer Maj Arthur J. Barrett (to 14 Sep 1951) Maj William L. Eubank (from 15 Sep) Commanding Officer, Headquarters Company Capt Frank E. Granucci (to 12 Jun 1951) Capt Lawrence H. Woods (from 13 Jun) Capt Thomas J. Melcher (from 15 Sep) 1stLt Richard R. Myers (from 9 Jan 1952) 1stLt William H. Gatlin (from 10 Mar) Commanding Officer, Company A Maj James P. Treadwell (to 6 Apr 1951) Maj Thomas H. Boler (from 7 Apr) Capt Harry A. Steinmeyer (from 1 May) Capt Dudley F. McGeehan (from 17 May) Capt Robert L. Stuford (from 10 Jan 1952) Commanding Officer, Company B Capt Russell Hamlet (to 11 Apr 1951) Capt Dudley F. McGeehan (from 12 Apr)