118 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1919. 
The collection will consist principally of the classes described be- 
low, which will, however, be expanded to cover other classes of mat- 
ter as the collection develops. The material described under the first 
10 headings pertains exclusively to the United States. 
(1) Military and naval decorations and medals, including types of 
all military decorations, medals, and badges awarded by the Govern- 
ment to officers and enlisted men of the Army and Navy for service 
prior to and during the progress of the conflict. 
(2) Military-service insignia, including all types of devices and 
designs showing the different ranks and branches of the military 
service. 
(3) Individual military equipment, including the equipment of 
the individual enlisted man of the various branches of the military 
service, such as clothing, arms, and other paraphernalia. 
(4) General military equipment, including machine guns and other 
objects intrusted to the military squads and organizations rather than 
to individual soldiers. This class of material includes other objects 
relating to the air service, such as airplanes of all types, and acces- 
sories. 
(5) Naval-service insignia, including types of all devices showing 
the various ranks and branches of the naval service. 
(6) Individual naval equipment, including the clothing and equip- 
ment furnished to the individual enlisted man of the Navy. 
(7) General naval equipment, including models of ships, naval 
guns, and types of other war paraphernalia employed by the Navy. 
(8) Mementoes of persons, including relics of noted individuals 
serving with the Army or the Navy or otherwise identified Avith the 
war activities. 
(9) Mementoes of events, including relics of events of special note 
occurring during the war. 
(10) Pictorial and library material, including pictures, maps, 
books, pamphlets, and other objects of the same character relating to 
the progress of the war. A nearly complete series of all Liberty loan 
posters is already in the possession of the Museum, and a complete 
set of the posters issued by the Navy Department has been promised 
by that department. 
(11) Allied war material, including matters relating to all the 
classes of material described above as pertaining to the United States. 
(12) Enemy countries' war material, including material relating 
to all of the first 10 classes of material described above as pertaining 
to the United States. 
The initial installation of the war material already received has 
been made in a suitable section of the Museum amid dignified and 
proper surroundings, with an adequate allowance of space and in 
appropriate cases. 
