The number ONE request at Walter Reed hospital and all military hospitals is phone cards. The government doesn't pay long distance phone charges and these wounded troops are rationing their calls home.
Here's a very easy way to make a big difference to the people who make a difference.

They say they need an "endless" supply of these -- any amount even $5 is
greatly appreciated.
Send phone cards of any amount (Walmart has good prices on AT&T cards, Sams Club is even better, if you are a member.
ANYONE can also buy phone cards through the PX online

To:

Medical Family Assistance Center
Walter Reed Medical Center
6900 Georgia Avenue, NW
Washington, DC 20307-5001

Naval Hospital Camp Pendleton:
HMC Regina Taylor
OPFORCES Liaison
Naval Hospital Code SS-AS2
Box 555191
Camp Pendleton, CA 92055-5191
760-725-1211

Naval Medical Center San Diego (Balboa):
SSGT Shawn M. Cheney, USMC
Marine Corps Liaison
Naval Medical Center San Diego
34800 Bob Wilson Drive
San Diego, CA 92134-5000
619-532-6105/4

Naval Hospital Camp Lejeune:
HMC (FMF) Lisa A. Blazer
LCPO, Patient Administration Department
100 Brewster Boulevard
Camp Lejeune, NC 28547-2538

National Naval Medical Center
8901 Wisconsin Avenue
Bethesda, MD 20889-5600

and for Marines in particular-
United States Marine Corps Liaison Office
National Naval Medical Center
8901 Wisconsin Avenue
Bethesda, MD 20889-5600
Attn: Colonel Frank
SSGT Word
301-295-6111