Mark 90 nuclear bomb
The Mark 90 nuclear bomb, given the nickname "Betty", was a
nuclear depth charge
, developed by the United States in 1952.
It had a length of 10 ft 2 in (3.10 m), a diameter of 2 ft 7.5 in (0.80 m), and a weight of 1,243 lb (564 kg), and it carried a
kilotons. Its purpose was to serve as an anti-submarine weapon for the United States Navy
.
A test of the Mark 90 was conducted in 1955, as Operation Wigwam.
All units were withdrawn from service by 1960.
Accident
On September 25, 1959, a United States Navy
Washington-Oregon
border.
A Mark 90 depth charge casing was lost and never recovered, but it was not fitted with an active
US Coast Guard, after ten hours in a raft. The press was not notified at the time.[1]
See also
References
- ISBN 0-7643-0063-6, Chapter 12, "Nuclear Anti-Submarine Weapons", p. 214.