
The NR-1 sub performed Cold War operations so classified that its 10-man crews remain sworn to secrecy to this day.
It had a claw to pick objects off the sea bed - crucial in the days when Americans and Soviets were tapping underground cables - and even went in search of fragments from the Challenger space shuttle, which exploded during blast-off in 1986.
Read more
No comments:
Post a Comment
Note: only a member of this blog may post a comment.