170815-N-IL267-005 BETHESDA, Md. (Aug. 15, 2017) Bryan Kessel, an engineer assigned to the Naval Surface Warfare Center, Carderock Division, Additive Manufacturing Project Office, gives visiting U.S. Marine Corps leadership a tour of the Manufacturing, Knowledge and Education Laboratory in Bethesda, Md. Lt. Gen. Michael Dana, deputy commandant for Installations and Logistics, Headquarters Marine Corps, and other Marine leaders are visiting Carderock along with Marines presenting their winning entries from the Marine Innovation Challenge Showcase, an effort launched last year to empower Marines and Sailors to come up with fresh ideas to increase safety and efficiency for their unit or mission. (U.S. Navy photo by Dustin Q. Diaz/Released)