“A team out of the UK named Magellan has an ROV rated for 6,000 meters which is loaded on a plane and ready and waiting to help,” the email stated. “BUT THE US GOV and USCG have not yet given them permits to participate!”

Good ol bureaucracy.

For those who didn't read the article - The Coast Guard does not have the equipment to even go deep enough. By now they're tourists are probably dead, but there will be no rescue or retrieval of the submarine without outside help