The remaining military members of U.S. Army Corps of Engineers Europe District's FEST-A team -- (from right) Sgt. 1st Class Will Land, then-1st. Lt. Willem Pretorius, Maj. Michelle Dittloff and Master Sgt. John Walls -- prepare to board a plane April 8 in Monrovia, Liberia, wrapping up their deployment for Operation United Assistance, the U.S. military mission to halt the spread of Ebola.