The last four of the boys and the team's 25-year-old coach were rescued Tuesday from a flooded cave in northern Thailand, ending an ordeal that lasted more than two weeks.
He says they are all in strong condition.
This mini-submarine may not sound like the most practical or comfortable way to escape a flooded cave, but it's important to note that the trapped kids were not able to swim and had become weak from malnutrition and exhaustion, and none of them had any scuba diving experience, CNN reported. All have now been transferred to hospital.
Prime Minister Prayuth Chan-ocha, who visited the cave on Monday, said the boys had been given tranquillizers to stop them getting stressed on the way out of the cave, but he dismissed any suggestion they had been "sedated".
Each time the commander of the rescue mission held a news conference outside a local government office, hundreds of journalists crammed together for the latest updates. They began again at 11 am on Monday after the teams had stopped for the night to rest and to replenish equipment and oxygen supplies.
"Although his technology is good and sophisticated, it's not practical for this mission", the rescue chief said.
The boys were still being quarantined from their parents because of the risk of infection and would likely be kept in the hospital for a week for tests, officials said earlier.
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Simmee Oupra has volunteered as a translator for the past 10 days at the press centre near the cave where 12 young boys and their soccer coach have been trapped for nearly three weeks.
"All the thirteen Wild Boars are now out of the cave", the SEALs wrote today.
Along with the rescue workers, the expected contingent of media from around the world have been on scene, including CBS News' Ben Tracy, ABC News' James Longman, NBC News' Janis Mackey Frayer and Bill Neely, correspondents from CNN, and extensive coverage on MSNBC and Fox News. Jesada said they were uncertain what type of infections the boys could face "because we have never experienced this kind of issue from a deep cave".
Eight more boys had been rescued in the previous two days after becoming trapped by rising water levels.
A spokesperson from the Thai public health authority said that they were in "high spirits" and also claimed that as they are football players, they have high immune systems.
Each round trip took around 10 hours on average, but the final day of mission was fastest, with the last five confirmed out in about nine hours.
In a gesture of kindness, English soccer giants Manchester United have invited the Thai soccer team to Old Trafford to watch them play in its upcoming season. Each of the rescued boys has been guided through the dark, narrow cave by a pair of divers.