HERBERT R. BALLINGER, LTJG, USN
Herbert Ballinger '24
Date of birth: August 18, 1902
Date of death: May 18, 1928
From the 1924 Lucky Bag:
From Find A Grave:
Lieutenant (Junior Grade) H. R. Ballinger, USN, was designated Naval Aviator #3311 in 1926. Graduated U.S. Naval Academy, Class of 1924.
Killed, as was his observer ENS A. C. Koble, USNR, when his O2U scout seaplane crashed into the sea during fleet exercises in the Hawaiian waters.
There is no mention of any next of kin, but it seems likely that https://www.findagrave.com/memorial/7454415/herbert-reed-ballinger is his son.