The parody shirt the NSA doesn’t want you to wear
▻http://www.salon.com/2013/08/30/the_parody_shirt_the_nsa_doesnt_want_you_to_wear_partner
The NSA seal is protected by Public Law 86-36, which states that it is not permitted for “…any person to use the initials ‘NSA,’ the words ‘National Security Agency’ and the NSA seal without first acquiring written permission from the Director of NSA.”