A rescue mission is underway after a vessel used to take tourists to see the underwater wreck of the Titanic went missing in the Atlantic Ocean on June 19.

The U.S. Coast Guard confirmed to Fox News Digital that they were currently searching for a lost submersible. Tourists can charter the small craft for visits to the infamous ship through OceanGate Expeditions, which recently announced new mission crews for a North Atlantic trip on social media.

The Coast Guard says there are five people on board, consisting of one crew member and 4 "mission specialists." They are currently conducting an air search for the vehicle, as it is designed to surface automatically if there are technical issues.

OceanGate announced on Twitter earlier in June that it was relying on Elon Musk's Starlink to provide internet and communications connection during the expedition. It is not clear whether communications played any role in the submersible going missing.

OceanGate charges tourists $250,000 for a spot on their expeditions to the Titanic wreckage. The company has yet to comment on the disappearance, and it could not immediately be contacted due to a surge of internet traffic crashing the company's website on Monday.

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