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Old 01-18-13, 08:09 AM   #2
ETR3(SS)
Ocean Warrior
 
Join Date: Dec 2007
Location: Between test depth and periscope depth
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With regards to your second question, if you're in a situation where you are blowing your ballast tanks you probably are intending to surface. Otherwise if you just wanted to change depth, you use the planes. So no, you wouldn't blow ballast and then turn around and re-flood the tanks. To do so would be a waste of a limited resource, compressed air.
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USS Kentucky SSBN 737 (G)
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