[Mr Quatro]

Looks like just another submarine at first glance: http://www.usstullibee.com/


The USS Tullibee (SSN 597)
The only submarine of its class
was a submarine of firsts ...

The first quiet nuclear submarine
with turbo electric drive

The first integrated sonar suite,
including both a low-frequency
passive array, for long range
detection, and a spherical array,
for approach and attack (AN/BQQ
Series Sonar)
The first submarine specifically
designed as an ASW (Anti-
Submarine Warfare) weapon
The first submarine with torpedo
tubes amidships