An airfoil for a gas turbine engine, the airfoil comprising: a leading edge and a trailing edge ; a first exterior wall extending between the leading edge and the trailing edge ; a second exterior wall opposite the first exterior wall extending between the leading edge and the trailing edge ; and a first cavity adjacent the first exterior wall including a central portion and at least one forward extending slot passage and at least one aft extending slot passage , wherein the at least one forward extending slot passage is in communication with at least one forward cooling slot , and the at least one aft extending slot passage is in communication with at least one aft cooling slot ; a leading edge feed cavity spaced from the first exterior wall by the at least one forward extending slot passage ; a trailing edge cavity spaced from the first exterior wall by the at least one aft extending slot passage and in fluid communication with a plurality of trailing edge cooling holes ; a second cavity adjacent the second exterior wall including a second central portion, wherein the second cavity includes at least one aft extending slot passage , at least a portion of the trailing edge cavity is spaced from the second exterior wall by the at least one aft extending slot passage on the second cavity , the second cavity includes at least one forward extending slot passage in communication with at least one forward cooling slot , and the leading edge feed cavity (190; 290) is spaced from the second exterior wall by the at least one forward extending slot passage on the second cavity ; and an impingement cavity in fluid communication with a plurality of leading edge cooling holes . a leading edge and a trailing edge ; a first exterior wall extending between the leading edge and the trailing edge ; a second exterior wall opposite the first exterior wall extending between the leading edge and the trailing edge ; and a first cavity adjacent the first exterior wall including a central portion and at least one forward extending slot passage and at least one aft extending slot passage , wherein the at least one forward extending slot passage is in communication with at least one forward cooling slot , and the at least one aft extending slot passage is in communication with at least one aft cooling slot ; a leading edge feed cavity spaced from the first exterior wall by the at least one forward extending slot passage ; a trailing edge cavity spaced from the first exterior wall by the at least one aft extending slot passage and in fluid communication with a plurality of trailing edge cooling holes ; a second cavity adjacent the second exterior wall including a second central portion, wherein the second cavity includes at least one aft extending slot passage , at least a portion of the trailing edge cavity is spaced from the second exterior wall by the at least one aft extending slot passage on the second cavity , the second cavity includes at least one forward extending slot passage in communication with at least one forward cooling slot , and the leading edge feed cavity (190; 290) is spaced from the second exterior wall by the at least one forward extending slot passage on the second cavity ; and an impingement cavity in fluid communication with a plurality of leading edge cooling holes . <EOS>