Mailing deadlines Published Dec. 3, 2007 Army and Air Force Exchange Service KEESLER AIR FORCE BASE, MISS. -- -- First-class mail to deployed service members must be sent by Monday to arrive by Dec. 25, according to the Military Postal Service Agency. For Army and Air Force Exchange Service "Gifts from the Homefront" gift certificates that can be sent to deployed troops, go to http:// www.aafes. org or call 1-877-770-4438.