Paratroopers from the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade conduct an airfield seizure at dusk at Rivolto Italian Air Force Base Dec.br 173rd Airborne Conducts Airfield Seizure in Rivolto.10 December 2014. HD Video by Massimo Bovo | Training Support Activity Europe | Date: 12.10.2014.br Paratroopers from the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade conduct an airfield seizure exercise at dusk on the Rivolto Italian Air Force .br Paratroopers from the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade conduct an airfield seizure at dusk at Rivolto Italian Air Force Base Dec.