TM55-1500-345-23
considered mandatory for all research and devel-
Staff transport aircraft being prepared for
b.
opment air vehicles: Identification lettering U.S.
a combat area may be converted to the tactical
ARMY or ARMY, the national insignia. and the
paint scheme of Chapter 4, at the request of the
vehicle serial and model numbers, and conspicu-
major Army field commander.
ity painting. Additional authorized markings will
be applied as required. All research and develop
ment air vehicles will be conspicuously marked
5-18. RESEARCH AND DEVELOPMENT
with the identification lettering U.S. ARMY or
A I R C R A F T . The provisions of this manual will
ARMY on all sides when exterior views of the item
be used as required in determining the painting
are photographed or when the item is on public
and markings to be applied to research and devel-
display.
opment air vehicles. The following markings are
