Holding Hands: Military personnel are not allowed to hold hands while in uniform. Males may escort women or help the elderly, but affectionate hand holding is a no-no. Right Hand: Your spouse is required to keep his or her right hand empty in order to salute at any time.
Hand-holding, hugging and kissing are generally not allowed while in uniform. Remember that while in uniform, service members are expected to maintain military decorum and bearing. Its one of the hardest rules not to break, but an important one to remember.
If you have never served in the armed forces, you are prohibited by the United States government from wearing the uniform of the Air Force, Army, Navy, or Marines. You are also prohibited from wearing a uniform that is similar to that worn by the armed forces in any public place or in public view.
TLDR – In the United States, it is legal for civilians to wear military uniforms. However, it is against the law to impersonate a member of the military for personal gains, such as wearing a uniform to commit fraud.
Under the new AR 670-1, Soldiers traveling commercially on official business are authorized to wear the Army Combat Uniform, or ACU. Soldiers wearing their uniform may enter a liquor store to purchase package liquor, for instance. They may not, however, wear their uniform while drinking in a bar.
Usually, dog tags were worn around the neck or laced into the combat boots of military personnel. However, Americans civilians can wear dog tags in any way that they please as long as they do not try to gain any benefits from it.
Can a civilian salute?
Civilians should not salute the American Flag with a military salute. The military salute is considered a privilege earned by those who have served in the Armed Forces and is reserved for official protocols. Civilians should follow specific etiquette during the National Anthem.
The black dog tag was first used by the military personnel. These tags play a very significant role in the military because they help in identifying wounded or dead soldiers. The details about the soldier are written on these dog tags. Information like the blood group and important medical records.