sentences:  During the Yom Kippur War in 1973, the U.S. mounted a major airlift codenamed Operation Nickel Grass to deliver weapons and supplies to Israel.Over 22,000 tons of tanks, artillery, ammunition, and other materiel were delivered to aid the Israeli military in response to a large-scale Soviet resupply effort of the Arab states.The operation was paralleled by a large-scale sealift of some 33,000 tons of materiel and the transfer of 40 F-4 Phantoms, 36 A-4 Skyhawks and twelve C-130 Hercules transport aircraft to replace Israeli war losses.