First responders in Louisville escorted a mobile exhibit commemorating 9/11 through Louisville on Tuesday.Watch it move through town in the player above.The truck housing the "9/11 NEVER FORGET" mobile exhibit started its escort at 1:30 p.m. and made it to the Kentucky Exposition Center around 2 p.m.According to a press release, the mobile exhibit honors the heroes and victims of 9/11 and it will house artifacts including steel beams from the World Trade Center.First responders from Louisville Fire Department, Jefferson County Sheriff Department and Kentucky State Fair Board Police were the escorts.The mobile exhibit will be on display at the Kentucky State Fair from Aug. 18 through Aug. 28.The state fair will also be celebrating First Responder's Day on Aug. 28. Active first responders and their families will receive free admission to the fair that day with a valid proof of employment.