of border security, based on auditable and verifiable data, along the international land borders of the United States achievable through tactical infrastructure and other security measures and activities. Measures assessed shall include, at a minimum, the following: (A) Fencing and infrastructure, including pedestrian fencing, double layer fencing, landing mat fencing, permanent vehicle barriers, and temporary vehicle barriers. (B) Vehicle barriers, especially in areas in the vicinity of existing or planned roads. (C) Border Patrol and Office of Field Operations personnel. (D) Efficacy of natural barriers and open space in response to smuggling and trafficking of humans, weapons, and illicit drugs. (E) Fielding of advanced technologies and systems, including systems developed and employed, or under development, for tactical surveillance, multi-source information integration, and response analysis in difficult terrain and under adverse environmental conditions. (F) Regional as well as urban and rural variation in border security methodologies and incorporation of natural barriers and open spaces in response to smuggling and trafficking of humans, weapons, and illicit drugs. (G) Enhanced cooperation with, and assistance to, intelligence, security, and law enforcement agencies in Mexico and Canada in detecting, reporting, analyzing, and successfully responding to smuggling and trafficking of humans, weapons, and illicit drugs from or into Mexico or Canada. (H) Removal of obstructive non-native vegetation. (I) Subterranean surveillance and detection technologies. (J) Deployable, lighter-than-air ground surveillance equipment. (K) Unmanned and man-portable aerial vehicles, along with policy measures to protect privacy and civil liberties. (L) Ultralight aircraft detection capabilities. (M) Advanced unattended surveillance sensors, including tower-based surveillance technology, and mobile vehicle-mounted and man-portable surveillance systems. (2) A comprehensive analysis of cost and other impacts of border security