MAKHMOUR, Iraq — At the base of a rocky ridge rising from the surrounding farmland, the barrels of American artillery poke out from under camouflage covers, their sights trained on Islamic State-held positions.
Less than 10 miles from the front lines in the push toward the northern Iraqi city of Mosul, the U.S. outpost, known as Firebase Bell, is manned by about 200 Marines.
Read more