The "Call Sign" for the 740th ACWRON, Ellsworth AFB, Rapid City, South Dakota, as of 5 August 1958 was, "Rollerskate."
| Mayor H.H. Price | Rollerskate 10 |
| Mayor K.U. Reeves | Rollerskate 11 |
| Captain H.W. Sawyer | Rollerstake 13 |
| Captain H.L. Johnson | Rollerskate 15 |
| Captain B.B. Coggin | Rollerskate 17 |
| Captain F.W. DeLapp | Rollerskate 18 |
| Lt. N.F. Johannessen | Rollerskate 19 |
| Lt. C.J. West | Rollerskate 20 |
| Lt. P.A. Schummer | Rollerskate 21 |
| Lt. Roggenbuck | Rollerskate 22 |
| Lt. L.R. Geiser | Rollerskate 25 |
| Lt. T.A. Grosz | Rollerskate 26 |
| WO. R.G. Birchett | Rollerskate 27 |
| WO. J.A. Burnette | Rollerskate 28 |