Boeing CH-47 Chinook the CH-47 have been developed since the helicopter entered service. The U.S. Army's first major design leap was the now-common CH-47D, which entered service in 1982. Improvements from the CH-47C included upgraded engines, composite rotor blades, a redesigned cockpit to reduce pilot workload, improved and redundant electrical systems, an advanced flight control system, and improved avionics. The latest mainstream generation is the CH-47F, which features several major upgrades to reduce maintenance, digitized flight controls, and is powered by two 4,733-horsepower Honeywell engines. A commercial model of the Chinook, the Boeing-Vertol Model 234, is used worldwide for logging, construction, fighting forest
Billy Chinook He was one of three elected Chiefs of the Wasco Nation, representing the Dalles Wasco. He was a signatory to the treaty that established the Warm Springs Reservation. Chinook lost his land claim at Mill Creek in 1856 and removed to the Warm Springs Reservation. Chinook enlisted as Acting First Sergeant in Captain John Darragh's Company of 50 U.S. Army Indian Scouts in 1866 for a term of 1 year during the Snake War. First Sergeant Chinook participated in the first battle of the war in present-day Crook County, Oregon. In 1866 Chief Paulina, his half-brother Chief Wahveveh and a