Marines with Marine Wing Unmanned Aerial Vehicle Squadron 4, Marine Aircraft Group 48, prepare an unmanned aerial vehicle for take off during Integrated Training Exercise 4-14 here June 13, 2014. The squadron flies the aircraft to provide surveillance, intelligence and target marking for ground element units during combat. ITX is a cornerstone of the Marine Air Ground Task Force training program. It is the largest annual U.S. Marine Corps Reserve training exercise which helps refine skills necessary to seamlessly integrate with their active duty counterparts as well as operate as a complete MAGTF.