NATO’s top commander says European allies have mostly filled gaps left by the U.S. reducing its military contributions to the organization's crisis plans. For weeks, U.S. Gen. Alex Grynkewich has been urging Europe to provide more equipment after the U.S. announced on June 3 it would cut assets like an aircraft carrier and fighter jets. He also considered backup plans in case of an attack. The NATO Force Model outlines available military assets from member nations. Grynkewich says the Europeans has largely filled the gaps and are weighing alternatives if the same equipment can't be found.