Here's how: Send a greeting to our deployed troops. Click here. Donate a calling card to service members in the theater through operations uplink. Click here. Send a greeting via e-mail through Operation Dear Abby. Click here. Sign a virtual thank you card at the Defend America web site. Click here. Make a donation to one of the military relief societies: Army Emergency Relief Society Navy/Marine Relief Society Air Force Aid Society Coast Guard mutual assistance Donate to "Operation USO care package". Click here. Support American Red Cross armed forces emergency services. Click here.