The U.S. Army UH-1C Gunship used one Lycoming T53-l-11A gas turbine engine producing 1100 shaft horsepower and had a length of 41'8", a width of 7' 8.5", a rotor diameter of 48', a disk area of 1808 square feet, an empty weight of 4600, and a maximum takeoff weight of 9500 pounds. Its performance included a maximum speed of 120 knots 135 (135mph), a cruise speed of 111 knots (125mph), a range of 300 nautical miles, a service ceiling of 19,4000 feet, and a rate of climb of 1,750 feet per minute. Its armament included two over and under M-60 belt fed machine guns mounted on outboard pylons on each side of the aircraft behind the sliding doors, one 2.75" rocket pod on each side carrying seven rockets each and mounted inboard of the M-60s, and one M-60 belt fed machine gun mounted mid-cabin to a bungee cord for the crew chief. Aircraft 65-09510 had 16 listed incidents, primarily small arms hits, during the multiple hours it was in the 118th AHC, and each time it was repaired there and returned to service. No one was listed as wounded or killed during its 1,681 hours of flight time over more than two years while in the 18th, and the Gold Book also showed that while in the 71st AHC, 65-09510 was flown many hours over 17 months with no loss of life listed there either. Its total combat flight hours were 2,636. In Viet Nam, 58,148 Americans were killed and 304,000 wounded out of 2.59 million who served, the average age of those killed was 23.11 years, 50,274 were enlisted with an average age of 22.37, 5,598 were officers with an average age of 28.43, 1,276 were warrant officers with an average age of 24.73, mostly helicopter pilots, 11,465 of those killed were less than 20 years old, approximately 12,000 helicopters served, Bell Helicopter built 10,005 Hueys from 1957 to 1975, and 2,709 people were killed while in Hueys.