2. Utapao air base, Thailand, is the airlift hub of the region; supplies are being flown to Jakarta and Sumatra's Medan and Banda Aceh. Surveillance aircraft are helping in search and rescue.
3. Naval medical personnel are at work in Meulaboh, Sumatra.
4. Military assessment teams in Sri Lanka, Thailand and Indonesia are assisting those nations in getting supplies to the most critical areas.
In transit
A group of seven ships including a an amphibious assault ship and helicopters is headed from Guam to Sri Lanka.
Seven ships with the capacity to produce 90,000 gallons of fresh water per say are sailing from Diego Garcia and Guam.
A field hospital ship in Guam may be ordered to the area, depending on need and the findings of the assessment teams.
Sources: Department of Defense, Associated Press Graphics reporting by Tom Reinken
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Schmitt reported from Washington and Farley from New York. Times staff writers Edwin Chen in Texas, Mark Magnier in Galle, Sri Lanka, and Elizabeth Shogren in Washington contributed to this report.