Ernest Langdon Served 12 years on active duty in the US Marine Corps. Throughout that career, he was stationed in Panama as well as the Persian Gulf. Some of his duties included being the Chief Instructor for the 2nd Marine Division Scout Sniper School and at the High Risk Personnel Course. He also was the Platoon Sergeant for a Close Quarter Battle and Designated Marksman team and Sniper Platoon.
Ernest is a certified California POST (Peace Officer Standards and Training) firearms instructor and has attended over 35 formal shooting schools.
After he retired from the Marine Corps he began competing in both USPSA (United States Practical Shooting Association) and IDPA (International Defensive Pistol Association) and rose to the level of Grand Master (USPSA) and Distinguished Master (IDPA) while winning ten national titles.
Through his company, Langdon Tactical, he teaches military, law enforcement and private citizens including all branches of the Federal Government such as the FBI, DEA, Secret Service and Federal Air Marshal Service. He also consulted for SigSauer, Smith, and Wesson and most recently Beretta USA.