When the Government has failed to comply with one or more terms in a pretrial agreement, an appellate court has the authority to enforce those terms (citing United States v. Cox, 46 C.M.R. 69, 72 (C.M.A. 1972); United States v. Carter, 27 M.J. 695, 697 n.1 (N.M.C.M.R. 1988)).