An old lovely from the Navy Newsstand: Polar Bear vs. SSN

Submarines generally rely on acoustics to navigate underwater (the old SONAR pinging...) but they can also use towed arrays with sensors. The primary problem being that sharks tend to try to bite the towed arrays. A discussion of ways to get around this led to discussion of trouble subs have with land creatures as well...

( Picture behind the cut... )

An old lovely from the Navy Newsstand: Polar Bear vs. SSN

Submarines generally rely on acoustics to navigate underwater (the old SONAR pinging...) but they can also use towed arrays with sensors. The primary problem being that sharks tend to try to bite the towed arrays. A discussion of ways to get around this led to discussion of trouble subs have with land creatures as well...

( Picture behind the cut... )