The area around the chapel has been used as a convalescent camp for American troops based around Rockhampton to rest after combat operations in the Pacific Islands. During the peak time of American occupation more than 70,000 American soldiers from the 24th, 32nd and 41st U.S Army combat divisions, and One Army Corps - "1Corps", were stationed in the Rockhampton area.
Wikipedia
The church was used for all denominations at that time and still is when every year a church service is held on the nearest Sunday to July 4.
More about St. Christophers Chapel is [ here ]
Not that many Australians or Americans realize or know about St. Christopers Chapel.
The Altar above and below the view from one of the sides. No windows to let the breeze in on hot days.