` ` Leadership has drifted '' regarding nuclear weapons , Defense secretary says . Reports occur after reports of bomber flight , mistaken device shipment . but that other leadership issues also factored into Moseley 's and Wynne 's resignations . Report criticizes U.S. Air Force 's reactions to missiles .
` ` Leadership has drifted '' regarding nuclear weapons , Defense secretary says . Reports occur after reports of bomber flight , mistaken device shipment . Report criticizes U.S. Air Force 's reactions to missiles .