RESEARCH AND DEVELOPMENT, CLOSE UP The U.S. Army Engineer Research and Development Center (ERDC) hosts many school science and engineering groups in its seven laboratories to highlight the critical impacts that research and development has on the Armed Forces and the Nation. Here, students from Vicksburg High School and Warren Central High School hear about scale-model projectiles that ERDC constructs in-house for various military research projects, at the ERDC Directorate of Public Works Machine Shop in Vicksburg, MS, March 28. (Photos courtesy of U.S. Army Corps of Engineers)