Everything you list here is okay to wear except the US Army tape.
None of the contestants, including Marines, wear name tags on the show. The contestants' names are shown on their scoreboard.
Because tattoo's are not sanctioned by the Marine Corps.
they have to wear nicorette patches
yes
camoflauge
Royal Navy Lt Cmr's wear three rings (two full with a skinny one in the middle) Royal Marines dont use naval ranks but use army ranks, so a Lt Cmr would be a Major and carry a crown on his uniform :)
Example sentence - Her father sewed patches on the knees of her pants enabling her to wear them to school.
You're not required to wear it stateside. The wear of the flag on the uniform is done for overseas deployments.
kinesio tape
Crips wear their flag on the left.
in denmark they hardly ever wear school uniform, its usually just private schools that have them..