Keywords: US Navy 071218-0-9999R-001 Lockheed Martin unveils the first STOVL F-35 Lightning II aircraft during a roll-out ceremony at its Fort Worth plant.jpg en FORT WORTH Texas Dec 18 2007 Lockheed Martin unveils the first STOVL F-35 Lightning II aircraft during a roll-out ceremony at its Fort Worth plant The F-35B will replace the aging AV-8 Harriers and will be operational with the U S Marines in 2012 U S Navy photo Released 2007-12-18 071218-0-9999R-001 Navy http //www navy mil/view_image asp id 54039 U S Navy photo PD-USGov-Military-Navy Naval Air Station Fort Worth |