sentences:  The Coastwatchers made many significant contributions to the war in the Pacific but none more so than in the Battle for Guadalcanal.Messages from Read and Mason, such as "24 bombers headed yours" gave the American fighter aircraft a distinct advantage with time to be in the air as a "welcoming party" for the Japanese planes.This happened many times over and was of such significance that US Admiral of the Fleet William F. "Bull" Halsey said