United States of America
U.S. Army · United States 
William Efren Grennay
1946 – 1968
Vietnam Wall · Panel 35E
Private First Class William Efren Grennay served in the U.S. Army. William served with the 1 FIELD FORCE. William served in the Vietnam War. William was 21 years old.
How They Died
Manner
Combat Death
Cause
Gunshot wound
Circumstance
Killed in action
Place
Phu Yen
Keepsakes
Service Record
U.S. Army
13A10: Field Artillery Basic
FIELD ARTILLERY BASIC
PHU YEN
1968
Pay grade E03.
Conflicts
Awards & Decorations
4
For service and achievement
Foreign awards
Memorials
In Our Keeping
Permanent identifier
neuraspine_01krcpg3sqprcmghvwnd7xk5np
Record added
August 7, 2026
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Last updated
October 12, 2026
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Shadow Box
William Efren Grennay
Private First Class
U.S. Army
- 1968
6th Battalion, 32nd Artillery
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