An apparatus comprising: a control surface and an airfoil of an aircraft, the control surface having a flexible portion comprising a flexible core and a skin adhered to the flexible core the skin having perforations filled with an elastomer to increase a flexibility of the skin, wherein the skin includes a first flexible region and a second flexible region including the perforations and a first rigid region, a second rigid region and a third rigid region adjacent to the flexible regions (138, 140), the rigid regions (132, 134, 136) not including the perforations so that the rigid regions (132, 134, 136) are less flexible than the flexible regions (138, 140); an inboard articulating seal to extend over a gap between the third rigid region and a fourth portion of the skin adjacent the third rigid region; an outboard articulating seal to extend over a second gap between the first rigid region and a fifth portion of the skin adjacent the first rigid region; an inboard cap attached to the third rigid region; an outboard cap attached to the first rigid region; wherein the flexible core is adjacent the perforations of the skin to support the skin; and wherein each articulating seal (116, 118) includes first and second seals (312, 314, 316, 318) on opposing sides of the airfoil and first and second ribs (512, 514), the first and second seals (312, 314) rotatably engaged about a hinge line, the seals fixed to the respective first and second ribs (514, 518), the first rib to rotate in a first direction while the second rib remains stationary to hold the second seal (314, 318) over a first side of each gap, the second rib to rotate in a second direction away from the first direction while the first rib remains stationary to hold the first seal (312, 316) over a second side of the each gap opposite the first side of each gap. a control surface and an airfoil of an aircraft, the control surface having a flexible portion comprising a flexible core and a skin adhered to the flexible core the skin having perforations filled with an elastomer to increase a flexibility of the skin, wherein the skin includes a first flexible region and a second flexible region including the perforations and a first rigid region, a second rigid region and a third rigid region adjacent to the flexible regions (138, 140), the rigid regions (132, 134, 136) not including the perforations so that the rigid regions (132, 134, 136) are less flexible than the flexible regions (138, 140); an inboard articulating seal to extend over a gap between the third rigid region and a fourth portion of the skin adjacent the third rigid region; an outboard articulating seal to extend over a second gap between the first rigid region and a fifth portion of the skin adjacent the first rigid region; an inboard cap attached to the third rigid region; an outboard cap attached to the first rigid region; wherein the flexible core is adjacent the perforations of the skin to support the skin; and wherein each articulating seal (116, 118) includes first and second seals (312, 314, 316, 318) on opposing sides of the airfoil and first and second ribs (512, 514), the first and second seals (312, 314) rotatably engaged about a hinge line, the seals fixed to the respective first and second ribs (514, 518), the first rib to rotate in a first direction while the second rib remains stationary to hold the second seal (314, 318) over a first side of each gap, the second rib to rotate in a second direction away from the first direction while the first rib remains stationary to hold the first seal (312, 316) over a second side of the each gap opposite the first side of each gap.