Trump Proposes Expanding National Defense Zone Along US–Mexico Border

President Trump has announced plans to extend the National Defense Area designation along the U.S.–Mexico border, enabling expanded military involvement in border security operations under his executive authority.

Trump said the proposal, which would increase the defense zone by over 600 miles, is designed to empower military personnel to conduct patrols and surveillance in coordination with border authorities. He claimed the initiative would address rising rates of illegal crossings and disrupt the flow of illicit drugs and human traffickers.

Supporters of the proposal argue that such expansion could fortify national security and support law enforcement, citing growing concerns over cartel activity. They view direct military involvement as a necessary step to bolster existing resources and deter unauthorized border entries.

Critics contend that deploying military forces for domestic border enforcement could blur lines between civilian and military jurisdiction, raising constitutional and civil liberties issues. Legal experts are expected to question whether such measures require congressional approval or encroach on decisions best left to Congress and civilian agencies.

Trump has indicated he will use executive actions early in a potential future term to implement the expanded defense area if lawmakers fail to pass supporting legislation. The proposal is likely to spark debate over military roles in civil affairs and the appropriate balance between national defense and civil oversight.

With input from AP News.