BLOOD PLASMA, FOOD IS FLOWN TO TANKSSupplies Enable 275 Americans on j Western Front to Hold Out Until Help Arrives.With the U. S. Tenth Armored Division South of Trier, Germany, j Feb. 28.—(TP)—The Piper cub : planes flying at tree-top level with 'visibility near zero dropped blood i plasma and food enabling 275 ! Americans to hold out until help I arrived. iWhen the Americans, all infantry- i men of the Tenth armored division, ; radioed for supplies, Captain Red-ford Hiskett of Geary, Okla., looked out at the weather, saw it was bad, but hesitated only long enough to don his flying togs.Hiskett’s field was obscured when he returned, but he managed to land safely with the help of radio instructions.Lieutenant Robert Moore of Huntersville, W. Va., and Lieutenant Lewis Carr of Liberty, Mo., volunteered to go back with Hiskett to I carry more supplies. They made ; four passes over the area held by ! the Americans, flying through heavy i machine-gun fire from the ground | without being hit.