; and (B) on the earliest of— (i) the date on which the Secretary publishes in the Federal Register a notice that the construction or rehabilitation of range improvements under subsection (d) is complete; (ii) the date described in subsection (d)(2); and (iii) the effective date of a determination of the Secretary not to authorize livestock grazing or other use by livestock under subsection (c)(1). (2) Administration Subject to valid existing rights, the Secretary shall manage the Williams Fork Wilderness in accordance with the Colorado Wilderness Act of 1993 ( 16 U.S.C. 1132 note; Public Law 103–77 ). (f) No buffer zones (1) In general Congress does not intend for the designation by this section of the potential wilderness area under subsection (a), or the Williams Fork Wilderness under subsection (e), to create a protective perimeter or buffer zone around the potential wilderness area or wilderness area, respectively. (2) Outside activities The fact that nonwilderness activities or uses can be seen or heard from within the potential wilderness area or wilderness area designated by this section, shall not preclude the activities or uses up to the boundary of the potential wilderness area or wilderness area, respectively. (g) Military overflights Nothing in this section restricts or precludes, with respect to the potential wilderness area under subsection (a), or the Williams Fork Wilderness under subsection (e)— (1) any low-level overflight of military aircraft over the area, including military overflights that can be seen, heard, or detected within the area; (2) flight testing or evaluation over the area; or (3) the use or establishment of— (A) new units of special use airspace over the area