""As a first lieutenant in the 11th Armored Cavalry Regiment, U.S. Army pilot David Porter was section leader in an Aerial Scout platoon in Vietnam. Their mission was to conduct reconnaissance in OH-6 aircraft (a.k.a. Light Observation Helicopter or "Loach") near the Cambodian border. Finding and engaging the enemy at low altitude in coordination with an AH-1 Cobra gunship circling above, these units developed a remarkable method of fighting the Viet...