Firms propose service-based helicopter training for U.S. military

COLORADO SPRINGS, Col., April 13 (Reuters) - AgustaWestland, the helicopter unit of Italy's Finmeccanica SpA, Bristow Group, Doss Aviation and Rockwell Collins Inc on Monday proposed a new service-based system for training U.S. military pilots using AgustaWestland's AW119 single-engine helicopter.