During their time in Basic Training, U.S. Army Trainees are taught and evaluated on their ability to conceal themselves and their equipment a foundational skill becoming more critical in a Large-Scale Combat Operations (LSCO) environment. The use of camouflage in the military resulted from emerging technologies such as aerial photography, which made masses of weaponry or troops a liability. As World War I in Europe became a standoff between troops dug into their positions, this created a greater

In the Yellow phase, Trainees going through Basic Combat Training, #BCT, or One Station Unit Training, #OSUT, learn how to move as a unit and a formation. As they progress through their Initial Military Training, they will learn different cadence calls to assist in keeping them in step. What's your favorite cadence call? | U.S. Army Center for Initial Military Training