Steve Leadore, left, and Kevin O'Neal, right, both Joint Service Aircrew Mask-Fixed Wing (JSAM-FW) research team members, assist U.S. Air Force Maj. Jeff Musser, a pilot with the 167th Airlift Squadron, with donning equipment during an assessment of the equipment at the 167th Airlift Wing, West Virginia Air National Guard unit in Martinsburg, W.Va., Dec. 7, 2011. The research team was working on the development of a joint service aircrew mask.