These four aircraft were bought in 1916 and were delivered in parts in 1917. The were assembled at naval Air Station Schellingwoude and used as trainer.

In August 1917 Naval Air Station De Mok entered service and the four Martins were transferred to De Mok.

Float plane Glenn Martin S. (1914-1917); later the floats were replaced by a wheel undercarrigage.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Float plane Glenn Martin (1914-1917).
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Float plane Glenn Martin S, J-1. (1914-1917).
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Float plane Glenn Martin S (1917-1920), serial J-1, being pushed into the hangar.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Float plane Glenn Martin S (1917-1920), serial J-2, at naval air station De Mok.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Float plane Glenn Martin S (1917-1920), serial J-2, at naval air station De Mok.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Accident with a  Martin, type S. H-1, at Naval Air Station De Mok.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]