; and (ii) the impact such deployments have on the capability of the Coast Guard to conduct its mission in each of the sectors referred to in paragraphs (10) and (11) of subsection (a). (B) Alteration The Commandant of the Coast Guard may alter the capability deployments referred to in this section if the Commandant— (i) determines, after consultation with the appropriate committees referred to in subparagraph (A), that such alteration is necessary; and (ii) not later than 30 days after making a determination under clause (i), notifies the committees referred to in such subparagraph regarding such alteration, including information relating to— (I) the number and types of assets and personnel deployed pursuant to such alteration; and (II) the impact such alteration has on the capability of the Coast Guard to conduct its mission in each of the sectors referred to in subsection (a). 105. U.S. Border Patrol physical infrastructure improvements The Secretary of Homeland Security shall upgrade existing physical infrastructure of the Department of Homeland Security, and construct and acquire additional physical infrastructure, including— (1) U.S. Border Patrol stations; (2) U.S. Border Patrol checkpoints; (3) mobile command centers; and (4) other necessary facilities, structures, and properties. 106. U.S. Border Patrol activities The Chief of the U.S. Border Patrol shall direct agents of the U.S. Border Patrol to patrol as close to the physical land border as possible, consistent with the accessibility to such areas. 107. U.S. Border Patrol forward operating bases (a) Upgrades and maintenance for forward operating bases Not later than January 20, 2021, the Secretary of Homeland Security shall upgrade existing forward operating bases of U.S. Border Patrol on or near the southern border to ensure that such bases meet the minimum requirements set forth in subsection (b). (b) Minimum requirements Each forward operating base operated by U.S. Customs and Border Protection shall be equipped with— (1) perimeter security