The United States Supreme Court held that the federal government cannot be liable in contract for breach of implied-in-law warranties by government contractors who incur expenses in defending third party tort claims arising from the contractors' compulsory production of war materials in accordance with government-furnished specifications.
Hercules, Inc. v. United States, 116 S. Ct. 981 (1996).
Leslie A. Sherman,
Sovereign Immunity - Government Contractor Defense - Implied Warranty of Specifications - Implied Contractual Indemnification,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol35/iss4/6