Keywords: US Navy 101013-N-7647G-036 John Bigus, right, a naval chemical engineer, describes the Navy's progress and use of alternative fuels, and their appl.jpg en WASHINGTON Oct 13 2010 John Bigus right a naval chemical engineer describes the Navy's progress and use of alternative fuels and their application to future Navy combat platforms during the Pentagon Energy Security Event The Pentagon is hosting energy security exhibits Oct 12-15 with the theme of Empowering Defense through Energy Security U S Navy photo by Mass Communication Specialist 2nd Class Jason M Graham/Released 2010-10-13 101013-N-7647G-036 Navy http //www navy mil/view_image asp id 92702 U S Navy photo by Mass Communication Specialist 2nd Class Jason M Graham PD-USGov-Military-Navy Interior of The Pentagon |