Liberty Wing boasts eight selections for lieutenant colonel promotion Published Aug. 21, 2014 By 512th Airlift Wing Public Affairs DOVER AIR FORCE BASE, Del. -- Congratulations to the following 512th Airlift Wing majors for their selection for promotion to the grade of lieutenant colonel: - Maj. Matthew Courtney, 326th Airlift Squadron, - Maj. Barry Ingram, 512th AW - Maj. Sean Kelley, 709th AS, - Maj. Anthony Linton, 712th Aircraft Maintenance Squadron, - Maj. Glenn Merkle, 709th AS, - Maj. William Mills, 512th Operations Support Squdron, - Maj. Michael Mundy, 512th Airlift Control Flight, and - Maj. Joshua Shown, 326th AS.