New breath for submarines: when looking at upgrading submarines, one can see that the subject could be dealt with at great length, covering the addition of new weapons and sensors, through fire control and command systems (including periscopes) to powerplant improvements such as new batteries or the addition of air-independent propulsion (AIP).

Summary

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Upgrade Approach

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New breath for submarines: when looking at upgrading submarines, one can see that the subject could be dealt with at great length, covering the addition of new weapons and sensors, through fire control and command systems (including periscopes) to powerplant improvements such as new batteries or the addition of air-independent propulsion (AIP).

Currently the biggest submarine upgrade programme is the US Navy's conversion of four Ohio class nuclear powered ballistic missile submarines (SSBN) to re-role them as guided missile and special operations forces support (SSGN) submarines.

In September 2002, the US Navy awarded General Dynamics' Electric Boat Corporation--the original designer and builder of the Ohio class boats--a $ 443 million, five-year contract to produce detailed designs and begin purchasing materials to...

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