A YouTuber has shared footage of his expedition to the Titanic which took place just days before the Oceangate disaster.
Five people were on board an OceanGate-owned submersible diving to the wreckage of the Titanic when contact was lost with the vessel last June.
This prompted a frantic search effort that captured the the world's attention.
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During search efforts an unusual banging noise was heard deep under water.
It was initially thought that the banging could be be a desperate SOS call from the vessel, named the Titan giving officials hope that those on board may still be alive.
However, in time, it was concluded that the sub had imploded on the day it had gone missing - killing all five members on board instantly.
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Now, a YouTuber has shared what it was like on a Titanic submersible expedition he went on just days before the implosion.
In the video, @DALLMYD shares his personal experience with OceanGate Expeditions during Mission III.
He starts the video by saying: "What you're about to watch is footage from Mission III days before the submersible went missing on Mission V."
He then informed viewers that the expedition, which he went on with his girlfriend, took place 'on the exact same ship' and they were 'in the exact same submersible' that went missing.
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After travelling by ship to the water's surface above the Titanic shipwreck, the couple were informed that they wouldn't get to dive due to poor weather.
Jake explained: "We waited over the Titanic site for a couple days, the weather didn't clear up. It got worse and worse and Stockton [the founder and CEO of Oceangate] decided to call it.
He did however get to join the CEO on a test dive, dropping down to 3000 feet below the water's surface.
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Jake weighed himself alongside everything he wanted to take into the submersible - his camera, a couple peanut butter and jelly sandwiches, a cookie and a small pillow. Then, he was ready to go.
"I'll tell you guys, if you're a little claustrophobic, this is not the sport for you. I think the anxiety comes from when you go in the submarine [and] someone on the outside literally bolts it shut.
"There's no way of escaping. There's no quick hatch to open if water comes in."
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Footage then shows the YouTuber inside the tiny vessel, his knees bent upwards towards his chest as the team embark on their dive.
Last year, CBS News correspondent David Pogue, who'd previously traveled on the Titan, said it had 'about as much room as a minivan.'
Reflecting on his experience in light of the disaster that took place soon after, Jake said: "It's crazy to think, but if the weather cleared up and the conditions were perfect, I would have done it. I would have been in that submarine and my fate could have been just like the five who lost their lives."