Complex sentence: The Australians also came across a large camp, including a field hospital, which they captured intact, while another group of huts was discovered, from where they gained intelligence identifying the Japanese troops in the area as belonging to the 81st Infantry Regiment.
Split into simpler sentences: The Australians also came across a large camp, including a field hospital, which they captured intact. Another group of huts was also discovered, from where they gained intelligence identifying the Japanese troops in the area as belonging to the 81st Infantry Regiment.