https://www.worldoceanobservatory.org/world-ocean-radio-old/22304 World Ocean Radio Podcast en [email protected] https://www.worldoceanobservatory.org/radio-item/146-navy-unmanned <p>For centuries, nations have manned navies to protect and conquer and to extend their political and financial power to all corners of the earth. Changing technologies, from sail to steam, wood to steel, and the evolution of weaponry have extended the offensive and defensive capacity of ships.</p> <p>&nbsp;</p> <p><a href="https://www.worldoceanobservatory.org/radio-item/146-navy-unmanned" target="_blank">read more</a></p> 4:38 For centuries, nations have manned navies to protect and conquer and to extend their political and financial power to all corners of the earth. Changing technologies, from sail to steam, wood to steel, and the evolution of weaponry have extended the offensive and defensive capacity of ships. &nbsp; read more For centuries, nations have manned navies to protect and conquer and to extend their political and financial power to all corners of the earth. Changing technologies, from sail to steam, wood to steel, and the evolution of weaponry have extended the offensive and defensive capacity of ships. &nbsp; read more Thu, 10 Nov 2011 13:52:11 +0000 https://www.worldoceanobservatory.org/files/radio/146_Navy%20Unmanned.mp3