Troops and veterans who have had limbs amputated must go through a full-body scanner, receive a pat-down and be swabbed for explosives to get through security at U.S. airports. While service members have heard civilians say the measures should not be necessary, they understand the importance of the security measures. "We have an obligation to check," TSA spokesman Nico Melendez said, adding that objects such as knives and swords have been found inside prostheses.

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