Mass. Gen. Laws ch. 33A, § 62
Article 62. Appeal by the State.
(a)
(1) In a trial by court-martial in which a punitive discharge may be adjudged, other than a finding of not guilty with respect to the charge or specification by the members of the court-martial or by a judge in a bench trial so long as it is not made in reconsideration, the state may appeal: