; and (C) the creditworthiness of an investment. (c) Capital assistance (1) Loans and loan guarantees (A) In general The Secretary may provide loans or loan guarantees to finance or refinance the costs of an eligible investment selected pursuant to subsection (b)(2). (B) Administration of loans (i) Interest rate (I) In general Except as provided under subclause (II), the interest rate on a loan provided under subparagraph (A) shall be not less than the yield on marketable United States Treasury securities of a similar maturity to the maturity of the loan on the date of execution of the loan agreement. (II) Exception The Secretary may waive the requirement under subclause (I) with respect to an investment if the investment is determined by the Secretary of Defense to be vital to the national security of the United States. (III) Criteria The Secretary shall establish separate and distinct criteria for interest rates for loan guarantees with private sector lending institutions. (ii) Final maturity date The final maturity date of a loan provided under subparagraph (A) shall be not later than 50 years after the date of substantial completion of the investment for which the loan was provided. (iii) Prepayment A loan provided under subparagraph (A) may be paid earlier than is provided for under the loan agreement without a penalty. (iv) Nonsubordination (I) In general A loan provided under subparagraph (A) shall not be subordinated to the claims of any holder of investment obligations in the event of bankruptcy, insolvency, or liquidation of the obligor. (II) Exception The Secretary may waive the requirement under subclause (I) with respect to the investment in order to mitigate risks to loan repayment. (v) Sale of loans The Secretary may sell to another entity or reoffer into the capital markets a loan provided under subparagraph (A) if the Secretary determines that the sale or reoffering can be made on favorable terms. (vi) Loan guarantees Any loan guarantee provided under subparagraph (A) shall specify the percentage