United States of America
U.S. Army · United States 
David T. Yu
1966 – 2020
David T. Yu Sr. served the U.S. Army for 1 year. David served during the years of the Iraq, the Afghanistan and the Global War on Terrorism. David was 54 years old.
How He Died
Manner
Natural
Cause
Natural disease, unspecified
Mechanism
Aircraft
What Happened
Sergeant David Yu died as the result of cancer that he developed following his assignment to the search and recovery efforts at the World Trade Center site following the 9/11 Terrorist Attacks.
Sergeant Yu was a United States Army Operation Iraqi Freedom veteran who served with the New York City Police Department for 21 years and was assigned to the Strategic Response Group 4.
Sergeant Yu was a United States Army Operation Iraqi Freedom veteran who served with the New York City Police Department for 21 years and was assigned to the Strategic Response Group 4.
Survivors
He is survived by his wife, daughter, and son.
Keepsakes
Service Record
Also Served
New York City Police Department
Sergeant
Also Remembered
September 11, 2001 — The Years After
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
September 22, 2026
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