sentences:  The 484th attacked such targets as oil refineries, oil storage plants, aircraft factories, heavy industry, and communications in Italy, France, Germany, Austria, Czechoslovakia, Hungary, Rumania, and Yugoslavia.On 13 June 1944 a heavy smoke screen prevented the group from bombing railroad marshalling yards at Munich; however, in spite of severe damage to its aircraft from flak and interceptor aircraft, and despite heavy gunfire encountered at the alternate target the group bombed the marshalling yards at Innsbruck and received a Distinguished Unit Citation (DUC) for its persistent action.The 484th received a second DUC for its performance on 22 August 1944 when, unescorted, the organization fought its way through intense opposition to attack underground oil storage installations in Vienna, Austria.