John V. Mroz was born in 1922 in Massachusetts. He resided in Essex County, Massachusetts prior to the war. John served as a Second Lieutenant and Radar Operator on B-24D "Sweepy-Time Gal" #42-40622, 373rd Bomber Squadron, 308th Bomber Group, Heavy, U.S. Army Air Force during World War II.

B-24D #42-40622, while on a mission to locate and attack shipping off Hong Kong, they were attacked and damaged by Japanese Zeros and crashed into the Pearl River during the war. John was declared "Missing In Action" in this crash. His name is commemorated on the Walls of the Missing, Manila American Cemetery, Taguig City, Philippines.

Second Lieutenant Mroz was one of over 2000 Americans who lost their lives defending China from their Japanese invaders from 1941-1945. He is commemorated on the The Monument to the Aviation Martyrs in the War of Resistance Against Japan in Nanjing, China.

Source of information: www.findagrave.com, www.abmc.gov