Helmet, Protective, Type M1917, United States Army Air Service


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

The Type M1917 steel helmet was the first protective helmet adopted United States during World War I. The helmet was essentially a copy of the British Mk. I shallow-dome helmet designed by John L Brodie. The Americans adopted British produced helmets until U. S. factories could meet the demands of the growing army. The American helmet modified the design of the interior leather suspension system and untilized a different steel alloy. The one piece stamped steel Model M1917 steel helmet, issued to all U.S. Soldiers and Marines serving in France duing the war. Many units and individuals customized their helmets with their unit insignia painted on the front crown.

Collection Item Long Description:

Inventory Number


Physical Description

United States Army Type M1917 protective steel helmet with leather lining and chin strap; olive drab sand finish; 135th aero squadron sunburst logo painted in orange and black on front.

Credit Line

Donated by Mr. Harry J. Hoesly

Country of Origin

United States of America


  • Overall: Stamped Steel
  • Lining and Chin Strap: Leather


3-D: 27.9 x 30.5 x 12.7cm (11 x 12 x 5 in.)

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum