| http://www.w3.org/ns/prov#value | - I don???t envision a small ship.???Alongside early conceptual discussions of what a submarine platform should look like in 2060, Navy leaders have also engineered the Virginia-class attack submarines so they are upgradeable and can accommodate new technologies, such as payloads or electronics, as they become available, Johnson added.???The Navy looked to the future with the Virginia-class and desi
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