U.S. serviceman sits atop M1A2 "Abrams" tank with during U.S. led joint military exercise "Noble Partner...
A U.S. serviceman sits atop an M1A2 "Abrams" tank during U.S. led joint military exercise "Noble Partner 2016" in Vaziani, Georgia, May 24, 2016. REUTERS/David Mdzinarishvili