After graduating from Chambersburg Area Senior High School in June 1967, Commander John attended Shippensburg University until November 1968 when he decided to enlist in the United States Air Force. He was sent to Lackland Air Force base, San Antonio, Texas for basic training. From there he went to Chanute Air Force Base, Rantoul, Illinois for 42weeks of technical training in Minuteman Missile Electronics. His duty station turned out to be Minot Air Force Base in Minot, North Dakota, A SAC Base, where he worked tending the Minuteman III Missile Electronic systems and trying not to freeze to death. He met his future wife there who was attending Minot State College.
After leaving the Air Force in 1972, Commander John spent 35 years in the Drinking Water Industry. He started as Laboratory Director at the Borough of Chambersburg Water Treatment Plant for 10 years. For 25 years, up until November 2009, John was Manager of the Bear Valley Water Authority, located just west of Chambersburg. He operated a one-man leak detection business for three years after that. He is now retired and lives in Chambersburg with Norlynn, his wife of 45 years. He has a 42 year old daughter, Jessica, and a 39 year old son, Dustin.
John has held various positions in The American Legion on post, district, department and national. He was Franklin-Fulton Bi-County Commander for 1 year. He served for 2 years as the 22nd District (Fulton, Franklin, Adams, and York Counties) Commander, 2 years after that as District Adjutant and as the 22nd District Finance Officer. He was elected as The Department of Pennsylvania Vice Commander for the Central Judicial Section for 2014 - 2015. Commander John has held committee appointments at the National level, including the Foreign Relations Council and Americanism Council. He was the High School Oratorical Program Chairman for the Department of and was the Chairman of the Department Convention Liaison Committee.