An aircraft , comprising: a body ; a wing coupled to the body and comprising a leading edge ; a system for dissipating heat, the system comprising: a heat source ; a bladder configured at the leading edge of the wing , the bladder comprising opposing thin-walled sheets and a fluid flow conduit defined between the opposing thin-walled sheets , wherein the fluid flow conduit comprises an inlet and an outlet ; a first fluid line coupled to the heat source and the inlet of the bladder ; a second fluid line coupled to the heat source and the outlet of the bladder ; and fluid flowable through the first fluid line from the heat source to the inlet , from the inlet through the fluid flow conduit to the outlet , and through the second fluid line from the outlet to the heat source ; wherein the wing extends from an inboard end to an outboard end ; the first fluid line comprises an inner tube comprising an inlet channel and extending through the fluid flow conduit of the bladder in a direction from the inboard end to the outboard end of the wing ; and the fluid is transferred from the heat source to the fluid flow conduit of the bladder through the inlet channel of the inner tube . a body ; a wing coupled to the body and comprising a leading edge ; a system for dissipating heat, the system comprising: a heat source ; a bladder configured at the leading edge of the wing , the bladder comprising opposing thin-walled sheets and a fluid flow conduit defined between the opposing thin-walled sheets , wherein the fluid flow conduit comprises an inlet and an outlet ; a first fluid line coupled to the heat source and the inlet of the bladder ; a second fluid line coupled to the heat source and the outlet of the bladder ; and fluid flowable through the first fluid line from the heat source to the inlet , from the inlet through the fluid flow conduit to the outlet , and through the second fluid line from the outlet to the heat source ; wherein the wing extends from an inboard end to an outboard end ; the first fluid line comprises an inner tube comprising an inlet channel and extending through the fluid flow conduit of the bladder in a direction from the inboard end to the outboard end of the wing ; and the fluid is transferred from the heat source to the fluid flow conduit of the bladder through the inlet channel of the inner tube . a heat source ; a bladder configured at the leading edge of the wing , the bladder comprising opposing thin-walled sheets and a fluid flow conduit defined between the opposing thin-walled sheets , wherein the fluid flow conduit comprises an inlet and an outlet ; a first fluid line coupled to the heat source and the inlet of the bladder ; a second fluid line coupled to the heat source and the outlet of the bladder ; and fluid flowable through the first fluid line from the heat source to the inlet , from the inlet through the fluid flow conduit to the outlet , and through the second fluid line from the outlet to the heat source ; wherein the wing extends from an inboard end to an outboard end ; the first fluid line comprises an inner tube comprising an inlet channel and extending through the fluid flow conduit of the bladder in a direction from the inboard end to the outboard end of the wing ; and the fluid is transferred from the heat source to the fluid flow conduit of the bladder through the inlet channel of the inner tube . <EOS>