Japanese Shocked as Seabees Turn Jungle into a 6,000-Foot Airfield in 20 Days Step inside the dramatic engineering race that reshaped the Pacific War. In 1942, U.S. Navy Seabees, combat-trained builders, landed on remote islands and turned raw jungle and coral into 6,000-foot airstrips in barely 20 days, a speed that shattered every Japanese plan. Drawing on verified military records, captured intelligence documents, and rare survivor testimony, this film shows how their relentless construction