Sunday, 4 March 1945, marked the end of the second week of the U.S. invasion of Iwo Jima. By this point the assault elements of the 3d, 4th, and 5th Marine Divisions were exhausted, their combat efficiency reduced to dangerously low levels. The thrilling sight of the American flag being raised by the 28th Marines on Mount Suribachi had occurred 10 days earlier, a lifetime on "Sulphur Island: ' The landing forces of the V Amphibious Corps (VAC) had already sustained 13,000 casualties, including 3,000 dead. The "front lines" were a jagged serration across lwo's fat northern half, still in the middle of the main Japanese defenses. Ahead the going seemed all uphill against a well-disciplined, rarely visible enemy. The historic battles of the Marines in the Pacific War are recounted in this U.S. Marines history book. Some of the subjects covered include: Mount Suribachi, Kamikaze Pilots, Marine Zippo Tanks, MacArthur and Roosevelt, V Amphibious Corps.