2015年5月4日，美国海军陆战队搭乘 C-20G 从嘉手纳空军基地启程前往尼泊尔救灾。（U.S. Marines board a Citation Ultra aircraft before departing for Nepal from Kadena Air Base, Okinawa, Japan, May 4, 2015. Marines prepared to depart in order to conduct humanitarian assistance and disaster relief operations in support of the Government and Armed Forces of Nepal in the wake of a 7.8 magnitude earthquake that devastated many regions of the country on April 25, 2015.）