Author Topic: All about Submarines  (Read 1474 times)

El_Filibusterismo1978

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All about Submarines
« on: April 13, 2018, 09:32:36 AM »

http://www.navalanalyses.com/2018/04/radiated-noise-signature-of-modern.html

maybe, we could learn something here in the light of the PN Submarine Program..