 Fuel capacity : 1 @,@ 994 U.S. gal ( 7 @,@ 549 L ) internal , 3 @,@ 335 U.S. gal ( 12 @,@ 627 L ) with three external tanks ( 370 U.S. gal ( 1 @,@ 420 L ) tanks on the outer wing hardpoints and either a 600 or 610 U.S. gal ( 2 @,@ 310 or 2 @,@ 345 L ) tank for the centerline station ) . 
