A possible concise summary is:
The report is about the search and rescue efforts for a submersible with five people on board that went missing near the Titanic wreck site in the North Atlantic. The report describes the challenges of finding and reaching the vessel, which may have only 40 hours of breathable air left. The report also mentions one of the crew members, Paul Henry Nargeolet, who is a French explorer and a colleague of the oceanographer David Gallo, who is interviewed in the report.
Here are the key facts extracted from the text:
1. Five people are on board a submersible that has gone missing in the North Atlantic close to the wreck of the Titanic.
2. The vessel may only have 40 hours of breathable air left for the five people on board.
3. Ships and planes are scouring the ocean around 640 kilometers off the coast of Newfoundland in Canada.
4. The Titanic, which sank in 1912, lies nearly 4,000 meters below the surface.
5. The submersible is called Titan and it is operated by a games console and construction pipes.
6. The five people on board are British billionaire Hamish Harding, British businessman Shahazadaud and his son, French explorer Paul Henri Narselay and Stockton Rush, the chief executive of Ocean Gate Expeditions.
7. The search area is as large as the U.S state of Connecticut and requires multiple agencies with subject matter expertise and specialized equipment.
8. The submersible is not designed to spend days or weeks underneath the surface of the ocean and has about 96 hours of oxygen on board.
9. The submersible cannot be opened from the inside and needs to be found in order for those five people to be rescued.
10. There are some reports of an emergency ping or alert that may have come from the vessel, but it is not confirmed.