purported “cross claim” against the Department. In the absence of service of process on the Department, the probate court did not have jurisdiction over the Department. Another ground supporting the probate court’s dismissal is sovereign immunity. The intended third party defendant is the Department of Veterans’ Affairs, an agency of the United States of America. The United States has sovereign immunity. United States v. Mitchell, 445 U.S. 535, 538 100 S.Ct. 1349, 1351, 63 L.Ed.2d 607 (1980). A suit against the federal government cannot proceed without the government granting a specific waiver of sovereign immunity. Id. at 1351. The defense of sovereign immunity applies to third party claims. United States v. Yellow Cab Co., 340 U.S. 543, 553-54 71 S.Ct. 399, 406, 95 L.Ed. 523 (1951) (<HOLDING>). The Department has not waived its sovereign
holding that sovereign immunity also applies to cross claims and third party claims holding that discovery requests directed at nonimmune party did not infringe on the sovereign immunity of a third party even if the third party retained a colorable claim of immunity holding that the tucker acts waiver of sovereign immunity for contract claims does not extend to claims for contracts implied in law holding that state sovereign immunity bars state constitutional claims holding that employees limited settlement of claims against third party did not extinguish claims of the insurer when employee and insurer had jointly filed suit against third party and settlement agreement provided that insurers claims would remain pending