Andrew Drysdale is an aerospace engineer at CCDC/DAC, APG, MD. With 14 years’ experience with the Army, he has focused on modeling and simulation, primarily in methodology development for survivability and vulnerability models. His previous work includes projects related to helicopter autorotation, buried-blast vehicle response, and blunt-force head trauma. Mr. Drysdale holds a B.S. in mechanical engineering from the University of Delaware and an M.S. in aerospace engineering from the University of Maryland College Park.