美国陆军航空兵在世界上成立最早,规模最大。但近年来,由于经费不足,其发展遇到战斗力和完全达到战备要求。美国陆军航空兵的发展正处在一个重要的转折点。根据非官方的统计数据,截至2007年2月13日,自美军入侵伊拉克以来,共有57架直升机因各种原因坠毁,其中29架美国陆军航空兵的直升机是被反美武装击落的。 The United States Army Aviation was first established in the world, the largest. However, in recent years, due to lack of funds, its development has encountered combat effectiveness and fully met the requirements for combat readiness. The development of the U.S. Army Aviation is at an important turning point. According to unofficial statistics, as of February 13, 2007, a total of 57 helicopters crashed for various reasons as of the invasion of Iraq since the U.S. invasion. Among them, 29 U.S. Army Aviation helicopters were shot down by anti-American forces.