12 Squadron
Commanding Officers 1915 - 1945
| Maj. C.L. Newall | 14 Feb 1915 |
| Maj. J.C.Halahan | 13 Jan 1916 |
| Maj. C.S. Burnett | 27 Oct 1916 |
| Maj J.A.G. De Courcy, M.C. | 17 Sept 1917 |
| Maj. H. S. Lees-Smith | 18 July 1918 |
| Maj T.Q. Back | 19 Aug 1918 |
| Maj G.H. B McCall | 16 Mar 1919 |
| Maj J. B. Selby, M.C. | 20 April 1919 |
| Sqn. Ldr. R. E. Saul , D.F.C. | 3 Sept 1919 |
| Sqn. Ldr. H.J.F. Hunter, M.C. | 1 March 1921 |
| Flt. Lt. P.F, Fullard D.S.O. M.C., A.F.C. | 23 May 1922 |
| Flt. Lt. J.R. Howett | 1April 1923 |
| Sqn. Ldr. A. Gray, M.C. | 19 Nov 1923 |
| Sqn. Ldr. T.E. Salt, A.F.C. | 18 May 1926 |
| Sqn. Ldr. F.H.M. Maynard A.F.C. | 1 Sept 1929 |
| Sqn. Ldr D.F. Stevenson D.S.O., M.C. | 5 Jan 1931 |
| Sqn. Ldr. A.C. Collier | 13 Jan 1934 |
| Sqn. Ldr. A.C. Bayley | 22 Oct 1934 |
| Sqn. Ldr. H.S. Broughall M.C., D.F.C. | 23 Oct 1934 |
| Sqn. Ldr. C.E.N. Guest, O.B.E. | 27 April 1936 |
| Sqn. Ldr. R. Reay-Jones | 10 Nov 1937 |
| Sqn. Ldr. R.W.G. Lywood | 16 May 1938 |
| Wg. Cdr. A.G. Thackery | 28 Sept 1939 |
| Wg. Cdr. V.Q. Blackden | 1 July 1940 |
| Wg. Cdr. R.H. Maw D.F.C. | 11 April 1941 |
| Wg. Cdr. B.J.R. Roberts | 14 Oct 1941 |
| Wg. Cdr. A. Golding, D.F.C. | 12 Jan 1942 |
| Wg. Cdr. R.C.M. Collard, D.S.O., D.F.C. | 1 April 1942 |
| Wg. Cdr. H.I. Dabinett | 4 Aug 1942 |
| Wg. Cdr. R.S.C. Woods, D.F.C. | 15 Feb 1943 |
| Wg. Cdr. J.G. Trowle | 25 Aug 1943 |
| Wg. Cdr. D.M.H. Craven | 1 Sept 1943 |
| Wg. Cdr. J.D. Nelson | 6 Mar 1944 |
| Wg. Cdr. M. Stockdale | 26 Aug 1944 |
| Wg. Cdr. T.S. Rivett-Carnac D.S.O., D.F.C. 31 May 1945 | 31 May 1945 |
| Wg. Cdr. S.P. Coulson D.S.O., D.F.C. | Dec 1945 |