Erin Kennedy, Nicole Fletcher, and Wayne Shira, Joint Service Aircrew Mask - Fixed Wing (JSAM-FW) research team members, listen to feedback from Staff Sgt. Alex Whalton, 167th Airlift Squadron flight engineer, as he wears the M-53 mask and hood, part of the JSAM-FW system. A Department of Defense research team working on the development of aJSAM conducted field assessments at the 167th Airlift Wing, West Virginia Air National Guard unit in Martinsburg, WV, December 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. (Air National Guard photo by Master Sgt. Emily Beightol-Deyerle)