The corporation may issue bonds including but not limited to bonds on which the principal and interest are payable (1) exclusively from the income and revenue of the space-related project financed with the proceeds of the bonds, (2) exclusively from the income and revenue of designated space-related projects whether or not they are financed in whole or in part with the proceeds of the bonds, (3) from its revenue or other assets generally, or (4) exclusively from rents, fees, charges, or other revenue collected or received by the corporation. Bonds may be additionally secured by a pledge of a grant or contribution from the federal government or from another source, or by a pledge of income or revenue of the corporation, or by a mortgage of a space-related project or other property of the corporation.