Army-Pinon Expansion

More than two decades after assuring residents and elected officials that live fire training wouldn't take place at the Pinon Canyon Maneuvering Site, the Army now concedes that such training is part of a proposal to quadruple the roughly 250,000 acre site.

Fort Carson's Tom Warren says the world and the Army's mission have changed, increasing the need to have live fire at the site.

Army officials are preparing an environmental impact statement as they study the possibility of expanding the area in southeastern Colorado to as many as one million acres.

The move would provide space to train soldiers from Fort Carson -- which is expected to grow by 10,000 soldiers and other units that include Colorado National Guard members.