The US Navy acquired five COA-1 amphibians from the US Army. Receiving the OL-2 designation, they were intended for the 1925 MacMillan Arctic Expedition, with Richard Byrd leading an aviation element of three Loenings: NA-1, NA-2 and NA-3. NA-3 arrived at Squantum on 11 June 1925 and the photo is assumed taken that day. The pilot was Floyd Bennett. Byrd liked Bennett and put him in NA-1. The following year they headed for the North Pole together in a civilian Fokker F.VIIa-3m, Josephine Ford, which Byrd had coded BA-1. Photo by: Leslie Jones / Boston Public Library

The first Santa Maria, MM45043, flew from Italy to New Orleans via Brazil but burnt in Arizona. This replacement aircraft was shipped to New York and headed north to Boston on 8 May 1927. But this was merely a test flight or a gesture to the Italian community in Boston, for Francesco de Pinedo did not skip the stretch between New Orleans and New York. He flew back south along the coast to New Orleans, and then to Chicago via the Mississippi, rather than via the US west coast as originally planned. Then he flew back to Europe via Newfoundland and the Azores. Photo by: Leslie Jones / Boston Public Library

The DT torpedo bomber won Douglas its first military contract, beating the Fokker FT (T.II). This photo is captioned 'Navy plane off USS Wright' and was perhaps taken in December 1927 when the seaplane tender Wright visited Boston. The last DT apparently served until 1928. Photo by: Leslie Jones / Boston Public Library

Although designated Curtiss Scout, the CS was a scout and torpedo bomber designed by the US Navy's Bureau of Aeronautics. CS became SC in the Navy's post-1923 designation system. Only eight CS-1 and CS-2 aircraft, including A-6504, were built by Curtiss. 75 more SC-1s and SC-2s were built by Martin, and the design evolved into the Martin T3M. By mid-1927, the SC was only still in use with a training unit at NAS Pensacola. Photo by: Leslie Jones / Boston Public Library

The original designation of the OU observation aircraft was UO, with the letter U allocated to Vought. In the US Navy's post-1923 designation system the letters were reversed. Fitted out as a seaplane the type used a larger tailfin than as a landplane. Photo by: Leslie Jones / Boston Public Library

The TG is described as a gunnery trainer. Five different prototypes, designated TG-1 through TG-5, were built. In the TG-5 the fuel tanks were moved to the central float. The uncropped photo shows the plane with a Loening OL-2 of the 1925 MacMillan Arctic Expedition, A6982 / NA-3. The date is not certain, but Boston Herald photographer Leslie Jones presumably came to photograph the arrival of NA-3 at NAS Squantum on 11 June 1925. Photo by: Leslie Jones / Boston Public Library