Complex sentence: It has since been relocated to Vicenza, Italy with the 173rd Infantry Brigade (Airborne) where it is now stationed with its sister battalion, the 2nd of the 503rd Parachute Infantry Regiment.
Split into simpler sentences: It has since been relocated to Vicenza, Italy with the 173rd Infantry Brigade (Airborne). Here, it will be stationed with its sister battalion, the 2nd of the 503rd Parachute Infantry Regiment.