Arraignment is complete when the accused is called upon to plead; the entry of pleas is not part of the arraignment. The arraignment should be conducted at an Article 39(a) session. The accused may not be arraigned at a conference under R.C.M. 802. Once the accused has been arraigned, no additional charges against that accused may be referred to that court-martial for trial with the previously referred charges. See R.C.M. 601(e)(2). The defense should be asked whether it has any motions to make before pleas are entered. Some motions ordinarily must be made before a plea is entered. See R.C.M. 905(b).