John Hoeffner was born on Sept 23, 1923 and was the son of Lulu and John Hoeffner. He enlisted in the Army on Jan. 20th, 1943 and was inducted at Camp Upton Yaphank. John was sent to Camp Bonneville in Oregon where he was put into the Quartermaster Corp. Leaving the United States aboard the Santa Maria he arrived in Scotland and 4 months after D Day arrived in France assigned to the 9th Army.
The US Ninth Army was one of the main U.S. Army combat commands used during the campaign in northwest Europe in 1944 and 1945. It was commanded from its inception by Lieutenant General William Simpson. 

Hoeffner was discharged from the Army on November 22nd, !945. He returned to Yaphank where he served as a member of the Yaphank fire department and helped as a volunteer at the Yaphank veterans' home.