[R Leonard]

No one by that name appears in the USNA register of alumni.

Probably this gent

Christian Fink (106033)
5/15/1941 - AvCad USNR Date of rank from 1 Jul 1941 USNR Register
7/14/1942 - ENS USNR AV(N) VS-6 NAS Kaneohe
8/24/1942 - ENS USNR AV(N) VB-6 USS Enterprise (CV-6)
9/19/1942 - ENS USNR AV(N) VS-5 USS Enterprise (CV-6)
9/27/1942 - ENS USNR AV(N) VS-5 Henderson Field Guadalcanal
10/1/1942 - LTJG USNR AV(N) Date of rank from 1 Jan 1943 USNR Register
1/1/1943 - LT USNR AV(N) Date of rank from 1 Jul 1944 USNR Register
3/1/1943 - LT USNR AV(N) VB-13 Tontouta (VS-6 redesignated)
9/25/1943 - LT USNR AV(N) VB-3 NAS Sand Point
1/1/1944 - LT USNR AV(N) VB-3 USS Yorktown (CV-10)
6/2/1944 - LT USNR AV(N) VB-3 NAS Puuene SB2C mid-air collision w F6F
10/24/1944 - LT USNR AV(N) VB-3 USS Yorktown (CV-10)
1/1/1945 - LT USNR A1 VB-3 USS Yorktown (CV-10)