In addition, electrical stimulation may improve the fusion rate in patients undergoing both instrumented and non-instrumented surgeries. However, scientific data are inadequate to determine the magnitude of benefit associated with electrical stimulation in patients considered at average risk for fusion failure.
Most innovative: Legendary U.S. Marine sniper Carlos Hathcock made a 2,000-yard shot in 1967 during the Vietnam War with a .50-caliber Browning machine gun fitted with a scope mount of Mr Hathcock's own design. It was a record that stood for 35 years.
No list of the deadliest snipers in history would be complete without Chris Kyle. Kyle is credited with being the deadliest sniper in United States history with 160 confirmed kills and numerous other unconfirmed kills. He received two Silver Star Medals, five Bronze Star Medals, one Navy and Marine Corps Commendation Medal, two Navy and Marine Corps Achievement Medals.