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  P-51D Mustang Serial Number ? Squadron Number 48
USAAF
7th AF
506th FG
457th FS

Pilot  2nd Lt. John J. Coneff, Jr., O-2067817 (MIA / KIA)
Crashed  August 3, 1945
MACR  16308

Aircraft History
Built by North American Aviation (NAA). Delivered to the U.S. Army Air Force (USAAF) as a P-51D Mustang serial number unknown.

Wartime History
This aircraft was assigned to the 7th Air Force (7th AF), 506th Fighter Group (506th FG), 457th Fighter Squadron (457th FS), attached to 7th Fighter Command "Sun Setters", 301st Fighter Wing (301st FW). No known nickname or nose art.

Mission History
On August 3, 1945 took off from North Field (APO 86) on Iwo Jima piloted by 2nd Lt. John J. Coneff, Jr. on a Very Long Range (VLR) mission 08-02 to cover a submarine near Tokyo in Japan. When this aircraft failed to return it was officially listed as Missing In Action (MIA).

Memorials
Coneff was officially declared dead the day of the mission. He is memorialized at Punchbowl on the courts of the missing, court 7.

References
NARA World War II Army Enlistment Records - John J. Coneff
U.S. Army Air Force Missing Aircrew Report Summary Sheet - P-51D Mustang Coneff
Missing Air Crew Report 16308 (MACR 16308)
(Page 1) Aircraft type and serial number not listed.
(Page 2) Remarks: Killed in action flying sub cover on mission 08-02. Lt. Coneff after his plane had been hit by fire of enemy A/C crashed into the sea. Position 35° 00" N - 139° 21' E.
American Battle Monuments Commission (ABMC) - John J. Coneff, Jr.
FindAGrave - John J. Coneff, Jr. (grave photo)
506th Fighter Group - Iwo to Japan

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Last Updated
August 3, 2025

 

Tech Info
P-51

POW
MIA
1 Missing
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