Allied troops invade Hollandia, Indonesia during World War II. United States ships underway in the Pacific Ocean on April 22, 1944 to attack Japanese positions in Hollandia. The ships underway as United States Army General Douglas MacArthur looks at the convoy from United States cruiser Nashville. Radars on alert in case of enemy attack. A United States destroyer transfers mail aboard Nashville. Troops being briefed aboard a ship. Naval guns fire at the coast during night and flaks burst. American carrier planes bombard Japanese position on the island. Allied ships underway as planes fly overhead. Troops in landing crafts as they head for the beach. Allied troops disembark from the crafts and advance inland. Trucks, tanks and troops unload from landing crafts. Allied soldiers walk through mud as they advance. General MacArthur gets off Nashville and inspect an airfield under construction on the island.