Section 865.107 - DRB composition and meeting location(a) The DRB consists of five members, with the senior line officer acting as the presiding officer. The presiding officer convenes, recesses and adjourns the Board.(b) In addition to holding hearings in Washington, DC, the DRB, as a convenience to applicants, periodically conducts hearings at selected locations throughout the Continental United States. Reviews are conducted at locations central to those areas with the greatest number of applicants. A continuing review and appraisal is conducted to ensure the selected hearing locations are responsive to a majority of applicants. Administrative details and responsibilities for Regional Boards are outlined in § 865.124 .