This Indenture constitutes, and the Operative Agreements, when executed and delivered and, in the case of the Equipment Notes, when issued and authenticated, will constitute valid, legally binding and (subject to general equitable principles, insolvency, liquidation, reorganization and other laws of general application relating to creditors’ rights or claims or to laws of prescription or the concepts of materiality, reasonableness, good faith and fair dealing) enforceable obligations of the Issuer.