Chiang Rai, Thailand (CNN) The initial relief that greeted the dramatic discovery of the trapped Thai soccer team has given way to questions over why the boys are still inside the flooded cave network and not on their way to the surface and their waiting families.

Part of the concern about attempting to bring the boys out of the cramped, pitch-black chamber where they have spent the better part of nine days is that they are around two kilometers (1.2 miles) inside the cave, and nearly a kilometer below the surface, according to rescuers.

The boys, who were found alive by British divers in the early hours of Monday morning, are now being tended to by seven Thai Navy Seals, including a doctor and nurse, Thai Navy Seal Chief Rear Adm. Aphakorn Yoo-kongkaew told reporters at a news conference late Tuesday.

"Now we have given food to the boys, starting with food that is easy to digest and provides high energy," he said. "We have taken care of those boys following the doctor's recommendation. So do not worry, we will take care of them with our best. We will bring all of them with safety. We are now planning how to do so."

The children were being given access to telephone lines to be able to reach their families, but the focus, said Yoo-kongkaew, was on building their strength so they can attempt the journey out.

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