FORT DRUM, N.Y. -- While many Soldiers go throughout their careers collecting mementos and photographs for scrapbooks and photo albums, Sgt. 1st Class David Geig picks up a pencil and his sketchbook.

Troops from the states who in wartime would get their combat gear from a warehouse at Camp Carroll in South Korea will practice drawing it there Thursday before using it in a big training exercise.

The sketch, by Union soldier John Avery, who was stationed at Fort Lyon from 1862 to 1863, shows a vast field of Army tents in the foreground with uniformed soldiers on guard duty or gathered in ...