A sonar expert believes that the “banging noises” detected by rescue crews searching for the Titan submersible that disappeared during its descent to the Titanic are likely “debris” from the ...
TOKYO — The Defense Ministry is considering equipping the Maritime Self-Defense Force's submarines with active sonar that sends out sound waves to detect the location of other vessels, The Yomiuri ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results