mile of the southern border. (G) An explanation for why such physical barrier, technology, tool, or other device was chosen to achieve and maintain situational awareness and operational control for each linear mile of the southern border, including the following: (i) The methodology used to determine which type of physical barrier, technology, tool, or other device was chosen for such linear mile. (ii) An examination of existing manmade and natural barriers for each linear mile of the southern border. (iii) The information collected and evaluated from the following: (I) The appropriate U.S. Customs and Border Protection Sector Chief. (II) The appropriate State Governor. (III) Local law enforcement officials. (IV) Private property owners. (V) Other affected stakeholders. (H) A per mile cost calculation for each linear mile of the southern border given the type of physical barrier, technology, tool, or other device chosen to achieve and maintain operational control for each linear mile. (I) A cost justification for each time a more expensive physical barrier, technology, tool, or other device is chosen over a less expensive option, as established by the per mile cost estimates required in subparagraph (B). (b) Definitions In this section: (1) Operational control The term operational control has the meaning given such term in section 2(b) of the Secure Fence Act of 2006 ( 8 U.S.C. 1701 note