Many of his songs, such as, "United We’ll Stand When Together We Kneel," espouse a militant brand of fundamentalist Christianity that has rapidly been adopted by the military since 9/11. "We no longer have a Pentagon; it has become a Pentecostalgon," says Mikey Weinstein, founder of the Military Religious Freedom Foundation, which is suing the military over what the organization deems the force-feeding of religion. "Our Department of Defense has become a contagion of unconstitutional, fundamentalist Christian fascism," he says.

The day after the show, a posting by Horner's wife on GoArmyParents.com listed among the songs Horner played the track "Press On," in which Horner exhorts troops to "press on in the name of Jesus."

Horner has found military training bases to be fertile grounds for soul saving.