AAF Temporary Building (Target) T-799"Muroc Maru" - Credit: Wikimedia Commons
Muroc Maru, officially AAF Temporary Building (Target) T-799, was a replica of a Japanese constructed on the floor of Rogers Dry Lake in southern California during World War II. Used to train bomber pilots and bombardiers in techniques for attacking warships, Muroc Maru remained in place until 1950, when it was demolished. Read more on Wikipedia
Source: en.wikipedia.org