John Anthony ZINK (301158)
 

Hello,

is anyone able to help with following questions? I would like to know the exact date of his USN joining and also when he left the USN.

Thanks.

Regards Zdenek Kocab

Re: John Anthony ZINK (301158)
 

John Anthony Zink (7011459)
S2c V5, USNR, AvCad Selection Board Detroit, enlisted 6/18/1942
John Anthony Zink (301158)
AvCad, USNR, AvCad Selection Board Detroit, 9/30/1942
ENS, USNR AV(N), Date of rank 8/1/1943
ENS, USNR AV(N), NAS Corpus Christi designated Naval Aviator, 8/14/1943
ENS, USNR AV(N), VF-11 USS Hornet (CV-12), 10/14/1944
ENS, USNR AV(N), VF-18 USS Intrepid (CV-11) attach TAD from VF-11 USS Hornet, 10/27/1944
LTJG, USNR A1, VF-11 USS Hornet (CV-12) TAD complete, 12/16/1944
ENS, USNR 1135, Date of rank 5/9/1949
LTJG, USNR 2205, Date of rank 4/14/1951

Does not appear in USN/USNR registers after 1951. Died Lima, Ohio, 9/16/2018

Note the designation codes
V5 – Enlisted to qualify for flight training
AvCad – Aviation Cadet
AV(N) – Heavier than air qualified Naval Aviator
A1 – Heavier than air qualified Naval Aviator
1135 – Line officer under instruction as a prospective staff corps officer, USNR
2205 – An officer in the Dental Corps, USNR

He evidently left active service to attend medical/dentistry school and rejoined the reserves as an Ensign before he got his oral surgeon degree
(for he did, indeed, become an oral surgeon) and was subsequently promoted to Lieutenant (JG), DC.