Officers from the U.S. Army Medical Research Institute of Infectious Diseases traveled to Gettysburg, Pa., for an Officer Professional Development event led by esteemed Army historian Col. Michael Bell, currently the Chancellor at the College of International Affairs in Washington, D.C. Bell set the stage en route with key events that led to the Civil War, as well as attributes and anecdotes of key Union and Confederate leaders. He guided the officers around important battlefield sites, from the initial Confederate attack at McPherson Ridge, to the spirited Union defense of Little Round Top, a walk of Pickett's Charge, and a reading of Lincoln's Gettysburg Address at the Soldiers National Cemetery. USAMRIID Officers, led by deputy commander Col. Andrea Stahl, presented Bell with a Unit coin and expressed their deepest appreciation for his efforts before returning to Fort Detrick, Md.