Section 1. Part II of the Manual for Courts-Martial, United States, is amended as follows: . . . (r) R.C.M. 503(a)(1) is amended to read as follows: (E) state whether the military judge is— (i) authorized to impanel a specified number of alternate members; or (ii) authorized to impanel alternate members only if, after the exercise of all challenges, excess members remain; and (F) provide a list of the detailed members to the military judge to randomize in accordance with R.C.M. 911.