U.S. Army Soldiers prepare to conduct various forms of training exercises in the rain while a rainbow has appeared, Ruba, Forward Operating Base, National Training Center, Ft. Irwin, CA., Jan. 11, 2017. The National Training Center conducts tough, realistic, Unified Land Operations with our United Action Partners to prepare Brigade Combat Teams and other units for combat while taking care of Soldiers, Civilians, and Family members. (U.S. Army Spc. Tracy McKithern/Released)