Complex sentence: After her shakedown cruise in the Gulf of Mexico, "Kingman" cleared Gulfport, Mississippi, and steamed westward through the Panama Canal, arriving at Pearl Harbor on 2 September, the day of Japan's historic surrender.
Split into simpler sentences: After her shakedown cruise in the Gulf of Mexico, "Kingman" cleared Gulfport, Mississippi, and steamed westward through the Panama Canal. She arrived at Pearl Harbor on 2 September, the day of Japan's historic surrender.