Use Alternate I of the clause at FAR 52.233-1, Disputes, when—
(1) The acquisition is for—
(i) Aircraft
(ii) Spacecraft and launch vehicles
(iii) Naval vessels
(iv) Missile systems
(v) Tracked combat vehicles
(vi) Related electronic systems;
(2) The contracting officer determines that continued performance is—
(i) Vital to the national security, or
(ii) Vital to the public health and welfare; or
(3) The head of the contracting activity determines that continued performance is necessary pending resolution of any claim that might arise under or be related to the contract.