Book excerpt: The Marine Corps has granted Michael Green and photographer Greg Stewart all-access approval to its bases for collecting historical and current background information and for photographing the weapons, tactical gear, techniques and support elements of the Modem U.S. Marines. The latest installment of the Battle Gear series, "Weapons of the Modern Marines covers individual weapons, machine guns and sniper rifles, antitank weapons and mines, antiaircraft weapons, armored fighting vehicles, artillery and aviation, including aircraft, ground-to-air and air-to-air weaponry.