1
                                                                    EXHIBIT 1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation by
reference of our report, dated March 24, 1997, included in this Form 11-K, into
the Company's previously filed Form S-8 Registration Statements File No.
33-64838 and No. 33-94120.

                                                             ARTHUR ANDERSEN LLP

Washington D.C.,
  March 24, 1997.