由于来自众多方面的严苛审视和质疑,美国陆军的主战坦克正在面临压力。M1“艾布拉姆斯”主战坦克在“伊拉克自由行动”中虽然发挥了关键作用,但持续时间很短。此外,鉴于在北约内部存在一种明显的认识,即不再需要美国的重型装甲装备了,2013年美国陆军将驻扎在欧洲的最后一批M1主战坦克重新部署回美国本土。重型装甲装备在其他方面也正在受到挑战。反装甲武器技术已经取得显著进步,甚至于一些非国家行为体,如真主党, The United States Army’s main battle tanks are under pressure due to harsh scrutiny and questioning from many sources. The M1 “Abrams” main battle tank played a key role in “Iraqi Freedom Operations ”, but lasted a short time. In addition, given that there is a clear understanding within NATO that no U.S. heavy armored equipment is needed anymore, in 2013 the U.S. Army redeployed the last M1 main battle tanks stationed in Europe back to the United States. Heavy armor equipment is also being challenged in other ways. Anti-armor weapons technology has made significant strides, and even non-state actors such as Hezbollah,