COL(R) Crapo has served in multiple leadership roles from the tactical to strategic levels in the Army including Rifle Platoon Leader, Airborne Company Commander, Infantry Battalion Commander, and Airborne Brigade Commander. He led and commanded over 4,800 Soldiers during his 24 years in the Army.

While in the U.S. Army, Greg served as a Platoon Leader and Executive Officer for the 101st MP Company. He also held assignments as a Special Reaction Team (SRT) Commander, Operations Officer, K-9 Commander, and Special Operations Officer for Fort Campbell, home of the 101st Airborne Division (Air Assault). During Greg’s service in the U.S Army he instructed thousands of soldiers in various tactical and specialized police disciplines.