One of the planes mentioned by the ACLU has done this before: http://www.reddit.com/r/nova/comments/2bgj1p/plane_circling_over_mcleanlangley_area_last_few/ htt

One of the planes mentioned by the ACLU has done this before: http://www.reddit.com/r/nova/comments/2bgj1p/plane_circling_over_mcleanlangley_area_last_few/ http://www.reddit.com/r/nova/comments/2bgj1p/plane_circling_...