(b) Defense Counsel.—
(1) The accused shall be represented in his defense before a military commission under this chapter as provided in this subsection.
(2) The accused shall be represented by military counsel detailed under section
948k of this title.
(3) The accused may be represented by civilian counsel if retained by the accused, but only if such civilian counsel
(A) is a United States citizen;
(B) is admitted to the practice of law in a State, district, or possession of the United States or before a Federal court;
(C) has not been the subject of any sanction of disciplinary action by any court, bar, or other competent governmental authority for relevant misconduct;
(D) has been determined to be eligible for access to classified information that is classified at the level Secret or higher; and
(E) has signed a written agreement to comply with all applicable regulations or instructions for counsel, including any rules of court for conduct during the proceedings.
(4) Civilian defense counsel shall protect any classified information received during the course of representation of the accused in accordance with all applicable law governing the protection of classified information and may not divulge such information to any person not authorized to receive it.
(5) If the accused is represented by civilian counsel, detailed military counsel shall act as associate counsel.
(6) The accused is not entitled to be represented by more than one military counsel. However, the person authorized under regulations prescribed under section
948k of this title to detail counsel, in that persons sole discretion, may detail additional military counsel to represent the accused.
(7) Defense counsel may cross-examine each witness for the prosecution who testifies before a military commission under this chapter.