Rank: Sergeant
Unit: E Troop, 2nd Squadron, 11th Armored Cavalry Regiment
MOS: 11D – Armor Reconnaissance Specialist
Awards: Purple Heart Medal, National Defense Service Medal, Vietnam Service Medal, Republic of Vietnam Campaign Medal
Badges: Combat Infantryman Badge
Unit awards: Vietnamese Gallantry Cross with Palm device
Enlisted by: Regular
Date of birth: 28-Dec-1939
Hometown: Ft Valley, Georgia
Marital status: Married to Elizabeth Preston, two daughters
Campaign: Vietnam Conflict
Start of tour: 20-Aug-1966
Incident date: 24-May-1967
Date of casualty: 24-May-1967
Age at death: 27
Cause of death: Hostile, died. Grenade. Multiple fragmentation wounds.
Johnny Calvin Preston was passenger in a military vehicle on combat operation when the vehicle hit a hostile mine.
Two Blackhorse troopers died in this incident:
SGT Johnny Calvin Preston
SP4 William Joseph Scherle Jr
Location of fatality: Quang Ngai, South Vietnam
Place of interment: Andersonville National Cemetery, Andersonville National Historic Site, Georgia, USA
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