DOUGLAS HOWLE is a mechanical engineer at ARL/SLAD, working on the UBB Methodology Development and Analysis Team. He is responsible for the planning and execution of technical programs related to the development of a robust M&S capability to support the Army test and evaluation community. He is experienced with the use of physics-based hydrocoes to simulate vehicle UBB events, including the use of arbitrary Lagrangian-Eulerian and purely Lagrangian analysis. Mr. Howle received a B.S. and an M.S. from the University of Maryland, Baltimore County.