; Public Law 109–367 ). (3) Physical barriers The term physical barriers includes reinforced fencing, border wall system, and levee walls. (4) Situational awareness The term situational awareness has the meaning given such term in section 1092(a)(7) of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ). (5) Tactical infrastructure The term tactical infrastructure includes boat ramps, access gates, checkpoints, lighting, and roads. (6) Technology The term technology includes border surveillance and detection technology, including the following: (A) Tower-based surveillance technology. (B) Deployable, lighter-than-air ground surveillance equipment. (C) Vehicle and Dismount Exploitation Radars (VADER). (D) 3-dimensional, seismic acoustic detection and ranging border tunneling detection technology. (E) Advanced unattended surveillance sensors. (F) Mobile vehicle-mounted and man-portable surveillance capabilities. (G) Unmanned aerial vehicles. (H) Other border detection, communication, and surveillance technology. (7) Unmanned aerial vehicles The term unmanned aerial vehicle has the meaning given the term unmanned aircraft in section 331 of the FAA Modernization and Reform Act of 2012 ( Public Law 112–95