Photo and comments at cite.
"Ann Davis, spokesperson for the TSA, said it's their policy to let families accompany military service members being deployed to the boarding gate or greet them upon arrival. Families simply need to contact airline staff at the airport for more information about proper local procedures."
More families need to know about this policy which has been in effect for several years.
http://www.tsa.gov/travelers/airtravel/assistant/editorial_1880.shtm