Donald Trump's promises to build a wall "and make Mexico pay for it" were rallying cries throughout his march to the White House. Trump has since said that he would accept building a fence instead of a wall "in certain areas," but border security issues are likely to be a top priority for the incoming administration.

Photographer John Moore traveled with a group of civilian paramilitaries in Arizona who've made it their business to patrol along the border with Mexico.

The armed group, made up mostly of former U.S. military servicemen and women, stages reconnaissance and surveillance operations against drug and human smuggling operations in remote border areas.

Above: Members of Arizona Border Recon leave their vehicle near the U.S.-Mexico border on Nov. 14, 2016 near Arivaca, Arizona.