
Firefighters with the 185th Fighter Wing from Sioux City, Iowa and 158th Fighter Wing, Burlington, Vt., shore up a collapsed building during confined spaces training at the Volk Field Combat Readiness Training Center’s Regional Emergency All Climate Training Center (REACT) on July 21, 2015 during the PATRIOT exercise. PATRIOT, running July 21-23, is a Domestic Operations disaster-response training exercise conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Air National Guard photo by 1st Lt. Stephen D. Hudson/Released)

U.S. Air Force Staff Sgt. Timothy Francis, a firefighter with the 158th Fighter Wing from Burlington, Vt., reviews notes during confined spaces training at the Volk Field Combat Readiness Training Center’s Regional Emergency All Climate Training Center (REACT) on July 21, 2015 during the PATRIOT exercise. PATRIOT, running July 21-23 is a Domestic Operations disaster-response training exercise conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Air National Guard photo by 1st Lt. Stephen D. Hudson/Released)

A firefighter with the 185th Fighter Wing from Sioux City, Iowa shores up a collapsed building during confined spaces training at the Volk Field Combat Readiness Training Center’s Regional Emergency All Climate Training Center (REACT) on July 21, 2015 during the PATRIOT exercise. PATRIOT, running July 21-23, is a Domestic Operations disaster-response training exercise conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Air National Guard photo by 1st Lt. Stephen D. Hudson/Released)