The operation of the submarine requires great secrecy, and as such, the submarine must be completely independent.
The successful tests are paving the way for the US Navy’s effort to advance their underwater capabilities as the Houthis continue their attacks on maritime trade.
Non-proliferation experts say sending submarines to Australia that use highly enriched uranium could set a precedent for other countries to use the fuel.
Pratt then shared those secrets with a number of other people, including foreign officials and journalists.
Huang Shu-kuang told local media last week that a contractor who had failed to obtain a bid forwarded information to China.
It took 85 years for Titanic to get a feature film, but Titan might not have to wait so long.
The revival of the multibillion-dollar effort, known as the Integrated Undersea Surveillance System (IUSS), comes as China has ramped up military exercises around Taiwan.
Submarine No. 841 - named Hero Kim Kun Ok after a North Korean historical figure - will be one of the main "underwater offensive means of the naval force" of North Korea, leader Kim Jong Un said.
Tehran’s comments appear to be a warning to the US that Iran could encourage proxy groups to continue to target Americans in Syria.
Yasen-class submarines are nuclear-powered cruise missile submarines, built to replace Soviet-era nuclear attack submarines.