Final answer:
Authorized other option headgear in the ASU includes religious headgear such as the yarmulke, turban, and hijab.
Step-by-step explanation:
In the U.S. Army, authorized other option headgear in the Army Service Uniform (ASU) for soldiers typically consist of religious headgear, such as the yarmulke for Jewish soldiers or the turban for Sikh soldiers.
Another example is the hijab, which is authorized for female Muslim soldiers. Additionally, there are specific guidelines for the wear and appearance of authorized religious headgear in the ASU.
It is important for soldiers to adhere to these guidelines when wearing authorized religious headgear as a part of their uniform.