A witness got emotional recounting the day of the doomed Titan submersible dive while testifying Thursday during the U.S. Coast Guard's hearing into the deadly implosion.
Renata Rojas, a banker who had previously gone on a dive to the Titanic on the experimental vessel, was volunteering and assisting the surface crew during the 2023 expedition when the submersible catastrophically imploded on a deep-sea voyage to the shipwreck site, killing five people, including OceanGate founder Stockton Rush.
The hearing took an approximately 10-minute break on Thursday during Rojas' testimony so that she could compose herself before discussing the June 18, 2023, dive.
"They were just very happy to go," Rojas recalled of the passengers, crying during her testimony. "That's the memory I have. Nobody was really nervous. They were excited about what they're going to see."
Rojas testified that beyond issues with a dinghy, there was nothing unusual about the day of the dive -- everything was done on time and they had "wonderful weather."
She said the submersible went into the water on schedule, around 9:15 a.m. local time. She said she was waiting to hear updates on the dive after breakfast a couple hours later, but they had no update on the communications with the sub.
MORE: 'All good here': Last messages revealed from Titan submersible before implosion: Coast GuardThere was a loss of communication with the Titan at approximately 10:47 a.m. local time, according to the Coast Guard. The sub was expected to surface at about 3 p.m. local time, the Coast Guard said.
Rojas said there didn't seem to be anything of concern until about 5 or 6 p.m. local time.
"Usually they're allowed at least an hour in the bottom. Could it be possible that if they were in front of the bow, everybody begged in the sub to take another hour?" she said. "Like if it was me in the sub, I probably would have said, 'Please give me another hour.' You have to take that into account."
After three hours of searching the surface for the sub, per OceanGate loss-of-communications protocol, the surface ship Polar Prince contacted the Canadian Coast Guard at 7:10 p.m. local time, according to the U.S. Coast Guard.
Debris from the Titan was found after a four-day search.
In addition to Rush, those killed in the implosion included French explorer Paul Henri Nargeolet, British businessman Hamish Harding, Pakistani businessman Shahzada Dawood and his 19-year-old son, Suleman.
Investigators asked Thursday's witnesses about issues with past dives, including the one that occurred directly before to the Titan's final, fatal voyage.
Dr. Steven Ross, OceanGate's former scientific director who was the only other witness to testify on Thursday, said the second-to-last Titanic expedition was aborted after the platform the submersible was on malfunctioned.
"The platform had a valve malfunction, and the bow of the platform submerged, tilting the platform and the submersible to about a 45-degree angle," he said.
The pilot ultimately crashed into the rear bulkhead and the passengers "tumbled about," including one who was hanging upside down, he said.
"It was uncomfortable and unpleasant, and it took considerable time to correct the problem," Ross said. "There were multiple issues that the surface team was having to deal with."
No one was injured and the dive was ultimately aborted, he said.
MORE: A timeline of the missing Titanic tourist submersibleRoss and Rojas were both on an OceanGate dive to the Titanic in July 2022. During that dive, the pilot "felt that there was something weird in his driving from the platform," Rojas said.
"At that point, we were already dropping, but he was texting back and forth to say, 'What was that?'" she said. "We just did our dissent and decided, OK, at the bottom, we'll see what happened."
Once at the bottom, the pilot realized the thruster controls were reversed, according to Ross. He testified that the pilot was ultimately able to retrain himself to operate it normally, and the dive proceeded. He said resurfacing the Titan was discussed as an option.
Asked by investigators if retraining the pilot was an acceptable risk, he said, "I think it was."
Investigators also asked the witnesses about the dive that occurred directly before their own expedition to the Titanic. As the Titan came back to the surface, a "loud bang" was reported, said Rojas, who was on the ship during that dive.
"I was told that there was likely a shifting of the pressure hull in its steel or metal cradle that when it popped back into place, could have made that loud noise," Ross said.
Ross said he did not witness any visual inspection of the interior of the hull.
Ross was later asked if he and Rush ever discussed how long the hull would last.
"I asked Stockton, for my own curiosity, how many cycles he thought that Titan would be good for before it needed refurbishment," Ross said, adding that Rush answered, "Indefinite."
Rojas said she had saved "for a long time" for her own expedition to the Titanic. She said she didn't think it would ever happen until she was connected with OceanGate.
She said she signed up in 2016 or 2017 to go on a dive in 2018, though didn't go until July 2022. She said OceanGate had to make a new carbon-fiber hull and the COVID-19 pandemic caused delays.
Rojas said she knew the submersible was experimental but felt safe.
"I knew what I was doing was very risky. I never, at any point, felt unsafe by the operation," she said.
Asked if any OceanGate employees or past employees ever brought up safety concerns to her, Rojas said there was one who told her she wouldn't get in the sub.
"This is never really sold as a Disney ride," she said. "This is an expedition where things happen, and you have to adapt to change. That was, at least for me, it was very clear."
She said as a passenger, she felt she was given the opportunity to voice any safety concerns, though never did personally.
"I knew the risk that I was taking, and still decided to go," she said.
She said she understood that the sub was not classified by a certification society.
"It was similar to the Apollo program -- they tested by doing," she said. "Neil Armstrong didn't ask somebody, 'Is this vessel classed?' before he went to space. He just got in and went."
"For me, it was the drive of exploration," she said. "Exploration requires risks."
Rojas had done several dives with OceanGate, including a 2016 dive to the Andrea Doria shipwreck on OceanGate's Cyclops 1 submersible. She said she paid $20,000 to go on it.
David Lochridge, the former director of marine operations for OceanGate, testified on Tuesday that Rush was difficult to work with during that Andrea Doria dive. Lochridge said Rush, who was piloting the sub, ended up getting the vessel stuck in the wreck and panicked. Lochridge said Rush was behaving unprofessionally and refused to relinquish control until Rojas, with tears in her eyes, yelled at Rush to give Lochridge the "effing controller" that piloted the vessel.
Lochridge testified that Rush threw the PlayStation controller at his head and one of the buttons came off, though he said he was able to repair it and get them back to the surface.
MORE: OceanGate whistleblower says he had 'no confidence' in development of Titan subRojas refuted part of Lochridge's testimony on Thursday, saying, "He must have gone on a different dive. Nobody was panicking, nobody was crying, and there was definitely no swearing and yelling."
She said Rush put the controller on the floor at Lochridge's feet, and she did not see it broken.
Rojas, an experienced scuba diver, said she went on other dives with OceanGate until the Titan was ready to go to the Titanic. She recounted a 2015 meeting with Rush.
"He told me a sub had not been made, that he had plans to make a sub to go to Titanic," she said. "It was going to take time, but he wanted me to go out on other expeditions, and, you know, kind of test the waters of how they did things."
She said she enjoyed being a mission specialist -- what OceanGate called its paying customers.
"It was fun. I was learning a lot. I was working with amazing people," she said. "Some of those people are the very hard-working individuals that were just trying to make dreams come true."
Rojas is the first mission specialist to testify during the two-week hearing, which started on Monday. Another, Fred Hagen, is scheduled to testify on Friday.
"We all want to find out what happened," Rojas said at the close of her testimony on Thursday.
"What we have all gone through -- it's still raw," she said, crying. "Nothing is going to bring our friends back. I hope that this investigation creates an understanding that with exploration, there's risk. And without taking that risk and the exploration, the world would still be flat. I hope that innovation continues so that we can make the oceans accessible to people like me."