Ohio Air National Guard airmen from the 178th Communications Flight, compare results of a Liquid Detection Point with their AF-PAM 10-100 June 10, 2014, at Alpena Combat Readiness Training Center, Alpena, Mich. The airmen checked the LDPs as members of a Post Attack Reconnaissance team during the unit’s Operational Readiness Exercise. (Ohio Air National Guard photo by Master Sgt. Seth Skidmore/Released)