1941
Mr. Snodgrass is born in Sharon, Pennsylvania to Joseph and Opal Snodgrass.
1963
Mr. Snodgrass receives a Bachelor of Arts in Liberal Arts from Grove City College in Pennsylvania.
1964
Lt. Snodgrass serves as an Air Force flight commander in the 6937th Communications Group stationed in Peshawar, Pakistan.
1965
Lt. Snodgrass serves as an Air Force flight commander in the 6910th Security Wing stationed in Darmstadt, Germany.
1968
Capt. Snodgrass graduates from Squadron Officer School in Alabama.
1968
Capt. Snodgrass becomes an Air Force special security officer for the Space & Missile Systems Organization at Los Angeles Air Force Base.
1971
Capt. Snodgrass receives a Master of Arts in Insurgent Warfare from the University of Texas at Austin.
1972
Capt. Snodgrass is appointed Officer in Charge of the Airborne Radio Direction Finding Center at the U.S. Military Assistance Command in Saigon, Vietnam.
1973
Maj. Snodgrass serves as an Air Force special operations instructor at the U.S. Air Force Special Operations School at Hurlburt Field Air Force Base in Florida.
1976
Maj. Snodgrass becomes a Panama Canal treaty plans officer at the U.S. Southern Command in Quarry Heights.
1980
Lt. Col. Snodgrass becomes an Air Force research associate at the Center for International Studies of the University of Miami in Coral Gables, Florida.
1981
Lt. Col. Mr. Snodgrass is appointed Chief of Command Plans for the Republic of Korea-U.S. Combined Forces Command in Seoul, South Korea.
1984
Col. Snodgrass is appointed Deputy Chief Staff for Plans at the U.S. Air Force Academy in Colorado Springs.
1988
Col. Snodgrass serves as the U.S. Air Attaché at the U.S. Embassy in Warsaw, Poland.
1989
Col. Snodgrass receives the Distinguished Alumni Award from Grove City College.
1990
Col. Snodgrass becomes an instructor at Air War College at Maxwell Air Force Base in Alabama.
2001
Mr. Snodgrass becomes an adjunct professor of Military History at Embry-Riddle Aeronautical University in Prescott, Arizona.