Pub. L. 109-432, div. C, tit. III, subtit. B, sec. 326
MILITARY OVERFLIGHTS.
SEC. 326. MILITARY OVERFLIGHTS. Nothing in this subtitle restricts or precludes—(1) low-level overflights of military aircraft over the areas designated as wilderness by this subtitle, including military overflights that can be seen or heard within the wilderness areas;(2) flight testing and evaluation; or(3) the designation or creation of new units of special use airspace, or the establishment of military flight training routes, over the wilderness areas.