An M1A1 Abrams tank fires its main gun during a live-fire exercise, Aug. 19. - An M1A1 Abrams tank fires its main gun during a live-fire exercise, Aug. 19.
A U.S. Marine performs maintenance on an M1A1 Abrams tank, July 22. - A U.S. Marine performs maintenance on an M1A1 Abrams tank, July 22.