To amend the Military Land Withdrawals Act of 2013 to withdraw and reserve certain public land in the vicinity of Yuma Proving Ground, Arizona.

Support for Military Readiness: The land is reserved for use by the Secretary of the Army to support military readiness and security (Section 2999B).

Land Management Activities: The bill allows for several activities on the land that could benefit the public or the environment, including conservation of wildlife and habitat, preservation of cultural properties, management of wild horses and burros, and recreation, public access, and hunting (Section 2999C, subsection (b)).

Fire Prevention: The land may be managed to include the prevention and suppression of brush and range fires caused by non-military activities (Section 2999C, subsection (b)).

Utility Infrastructure: The Secretary of the Interior is authorized to issue rights-of-way for critical regional-grid level utility infrastructure, such as above-ground transmission lines, within the Parker-Blaisdell Utility Corridor (Section 2999E).

Restrictions on Land Entry: The land is withdrawn from all forms of entry, appropriation, and disposal under public land laws, as well as location, entry, and patent under mining laws (Section 2999B, subsection (a)).

Restrictions on Mineral Use: The withdrawal includes a prohibition on disposition under all laws relating to mineral and geothermal leasing (Section 2999B, subsection (a)).

Control Over Non-Defense Uses: Any non-defense related uses of the land are subject to conditions and restrictions determined by the Secretary of the Interior and the Secretary of the Army to ensure they do not interfere with defense-related uses (Section 2999C, subsection (c)).

Limitations on Land Use Authorizations: For activities that cross through the withdrawn land and other nearby land, any lease, easement, or permit can only be issued with the consent of the Secretary of the Army (Section 2999C, subsection (d)).