Complex sentence: The camp was built by the British Army and was the largest British overseas military camp built since the Second World War the base was also home to troops from a number of nations including the United States of America and Tonga.
Split into simpler sentences: The camp was built by the British Army and was the largest British overseas military camp built since the Second World War. The base was also home to troops from a number of nations including the United States of America and Tonga.