Elon Musk is insisting that the escape pod he hand delivered to the cave rescue team in Thailand is fully functional, after being criticised by the head of the mission.
According to the BBC, rescue head Narongsak Osotthanakorn thanked Musk's team for the offer of help and acknowledged the mini submarine they built was "technologically sophisticated", but said it was "not practical with our mission".
But Musk is claiming that his design was developed in close cooperation with the Thai-led team of international diving and medical experts, who were working with Thai Navy SEALs to rescue the Wild Boar youth football team.
Musk was told his pod "may well be used" 
The SpaceX founder took to Twitter to refute claims his contribution was unwanted by the rescuers, releasing a screenshot of his email correspondence with Richard Stanton, one of the British expert divers who first discovered the boys. "It is absolutely worth continuing with the development of this system," Stanton wrote to Musk on 7 July. "If the rain holds out it may well be used."
Elon Musk rejected claims his mini submarine wasn't helpful. Photo is courtesy of Shutterstock
The tech billionaire replied that he was testing the submarine and that he was operating under the same principles as spacecraft design, namely "no loss of life even with two failures".
Stanton then replied that the rescuers were "worried about the smallest lad" and implored M...