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Delgard · 07-16-17, 02:59 PM

a 688 Class (Los Angeles) that has Mk-48 torpedoes. The FLT II (2) version was a step-up from the original.

Sometimes the U.S. gives a designator to subs built in the class but had added features. Sometimes the word "Block" as in Block II is used. I am not sure the difference in the use of the two words.

The Flight II version is just the upgraded version, that's all. You really have to look at the specifications of both to see the differences. The Flight II has Mk-48 torpedoes, though. I didn't remember, but the sea state may have influenced a torpedo running close to the surface, on final approach to the target and at 15ish feet. Maybe just a deep swell.

07-16-17, 02:59 PM	#5
Delgard Skipper Join Date: Oct 2004 Location: AZ & DC Posts: 487 Downloads: 48 Uploads: 0	a 688 Class (Los Angeles) that has Mk-48 torpedoes. The FLT II (2) version was a step-up from the original. Sometimes the U.S. gives a designator to subs built in the class but had added features. Sometimes the word "Block" as in Block II is used. I am not sure the difference in the use of the two words. The Flight II version is just the upgraded version, that's all. You really have to look at the specifications of both to see the differences. The Flight II has Mk-48 torpedoes, though. I didn't remember, but the sea state may have influenced a torpedo running close to the surface, on final approach to the target and at 15ish feet. Maybe just a deep swell.