Erin Kennedy, a chemical engineer for the Army and the Joint Service Aircrew Mask - Fixed Wing (JSAM-FW) Research Team test and evaluation lead, gets feedback from Technical Sgt. Michael Lindamood during a field evaluation of the gear. A Department of Defense research team working on the development of a joint service aircrew mask conducted field assessments at the 167th Airlift Wing, West Virginia Air National Guard unit in Martinsburg, W.Va., Dec. 7, 2011. The team had aircrew in each of the flying positions don the mask and accompanying gear and perform their duties on a C-5 aircraft.