The two countries have butted heads over Syria, arms control, missile defense, gay rights and more.

两国在叙利亚问题、武器管控、导弹防御、同性恋权利等众多问题上均存在分歧。

The U.S. went after underground storage facilities, command and control, missile systems, drone storage and operation sites, radars, and helicopters of the Houthis.

美国的目标是胡塞武装的地下储存设施、指挥和控制、导弹系统、无人机储存和操作地点、雷达、和直升机。