When Robert Ballard (professor of oceanography) announced a...

When Robert Ballard (professor of oceanography) announced a mission to find the Titanic, it was a cover story for a classified US Navy mission to search for two wrecked nuclear submarines. The search team finished their mission ahead of schedule, so they spent the extra time looking for the Titanic and actually found it.

from Unbelievable facts http://bit.ly/2UNi1Gl