U.S. Army Sgt. 1st Class Louis Goldstein of the 309th Engineering Mobilization Augmentation Company instructs soldiers how to create an improvised explosive device during the Warrior Exercise located on Joint Base McGuire-Dix-Lakehurst, N.J., Jan 16, 2014. Soldiers of the 309th Engineering Mobilization Augmentation Company are participants of WAREX 78-14-01.