“Heroes Proved” book signing 13 Dec 2012 | Lance Cpl. Tabitha Bartley Marine Corps Base Quantico PRINT SHARE MARINE CORPS BASE QUANTICO -- Tags Oliver North , book signing , “Heroes Proved” , Retired Lt. Col. Oliver L. North , Staff Sgt. Clinton Fowler , S-4 chief , Security Battalion , Steve Keene , retired master sergeant , Marine Corps Maine Exchange ,