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2. Prohibited Activities: In accordance with and in addition to USCENTCOM GO-1B, the following activities are prohibited.
Section e: Introduction, purchase, possession, transfer, sale, creation or display of any pornographic or sexually explicit photograph, videotape, CD/DVD, movie, drawing, book, magazine, or similar representation.
Section o: Sexual contact with foreign and local nationals who are not members of coalition forces.
Section p: Cohabitation of males and females except for lawfully married spouses. Married spouses will be allowed to cohabitate provided adequate accommodations are available.
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As to the 'failing to obey and order' it was this that he failed to obey.
Simply put, he failed to do what is expected of every soldier, marine, airman, sailor and government employed civilian in Iraq.