If you're information is correct, 302d TCS was an element of 441st Troop Carrier Group, Ninth Air Force at the time of your uncle's death. The squadron supported operations in Italy and France, dropping troops and releasing gliders of the 101st Airborne Division during the Normandy Invasion and dropping troops of 509th Parachute Infantry Battalion during the Invasion of Southern France. 302d dropped troops of the 82d and 101st Airborne Divisions at Nijmegen, Holland 17 September 1944; supported 101st Airborne Division during the siege at Bastogne and released gliders of 17th Airborne Division over Wesel, Germany 24 March 1945.
His deceased file will contain exact date and, possibly, place of death as well as other info of interest. You'll find practical instructions on how to order at Message #2112 (go back to the Main Page, enter "2112" in the box in the upper right corner that reads, "Jump to #____" then click on "Go").