United States Court of Claims May 6, 1981, Nos. 541-76, 286-78, 461-78, 87-79C and 139-79C (Adair v. United States)

KUNZIG, Judge,

delivered the opinion of the court:

In these five consolidated pay cases,1 plaintiffs are some 220 Public Health Service (PHS) physicians who claim *346entitlement to so-called "variable incentive pay” (VIP) under 37 U.S.C. §313 (1976). The Government, relying on United States v.