The reason for that should be obvious, as submarine duty requires that you live, work, and potentially even battle enemy forces underwater. However, as the crew of the USS San Francisco learned in ...

What You Need to Know: In 2005, the USS San Francisco, a Los Angeles-class nuclear-powered submarine, collided with an uncharted underwater mountain near Guam during a training mission.

The San Juan's captain reported that water had entered the snorkel and caused one of the submarine's batteries to short circuit. The captain later communicated by satellite phone that the problem ...