Unit Regimental Sergeants-Majors
| 1951 – 1955 | WO1 I. Nabbs |
| 1955 – 1957 | WO1 R.O. Oswald |
| 1957 – 1959 | WO1 H.N. Allen |
| 1959 – 1961 | WO1 P. Brennan |
| 1961 – 1963 | WO1 D.J. Martyn |
| 1963 – 1965 | WO1 D.E. Williams |
| 1966 – 1970 | WO1 R. Delves |
| 1970 – 1974 | WO1 G. Nash |
| 1974 – 1977 | WO1 D. McDonald |
| 1977 – 1979 | WO1 R Delves |
| 1979 – 1982 | WO1 K. Merito |
| 1982 – 1985 | WO1 M.J. Cocker |
| 1985 – 1987 | WO1 T.A.J. O’Neill |
| 1987 – 1988 | WO1 I.R. Paipa |
| 1988 – 1992 | WO1 P.B. Morunga |
| 1992 – 1995 | WO1 W.K. Thurlow |
| 1995 – 1996 | WO1 W.G. Rowe |
| 1997 -1999 | WO1 P. Tamepo |
| 1999 – 2002 | WO1 G.C Edwards |
| 2002 – 2003 | WO1 E.S Hae Hae |
| 2003 – 2006 | WO1 D.F Mills |
| 2006 – 2007 | WO1 L.E Wills |
| 2007 – 2009 | WO1 J.A.P Dawson |
| 2009 – 2012 | WO1 M Shaw |
| 2012 – 2013 | WO1 M Shaw (Merged Units 3/6 Bn) |
| 2013 – 2013 | WO1 N Radford |
| 2013 – | WO1 M.L Hata |