Aviation authorities said two more airports in the region had reopened, allowing for more aid flights.
U.S. Brig Gen. Paul Kennedy said that later Wednesday his troops would install equipment at Tacloban airport to allow planes to land at night. Tacloban city was almost completely destroyed in Friday's typhoon and has become the main relief hub.
"You are not just going to see Marines and a few planes and some helicopters," Kennedy said. "You will see the entire Pacific Command respond to this crisis."
A Norwegian ship carrying supplies left from Manila, while an Australian air force transport plane took off from Canberra carrying a medical team. British and American navy vessels are also en route to the region.
The damaged airport on Tacloban, a coastal city of 220,000, houses makeshift clinics and thousands of people looking for a flight out. A doctor here said supplies of antibiotics and anesthetics arrived Tuesday for the first time.