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.