Request addition of Sikorsky R-5 (aka H-5, S-51, HO2S-1, HO3S-1) to the US OOB.
According to THE AGE OF THE HELICOPTER: VERTICAL FLIGHT; on V-J Day, 65 R-5s had been delivered to the US military, and the remainder of the contract (390 craft) was cancelled.
Possible photo of WWII era R-5 here:
http://www.sikorskyarchives.com/imag...-48/S48-11.jpg