The United States Special Operations Command intends to increase the contract ceiling for procurement of the Improved SOF High Frequency Manpack Radio Systems (ISHMRS)and ancillary equipment that may be ordered under Contract No. USZA22-00-D-0007. In addition, extend the ordering period two additional years, 9/28/04 through 9/27/06, for procurement of radio systems. The contract maximum shall be increased by $100M. Harris Corporation, RF Communications Division, 1680 University Avenue, Rochester NY 14610-9983 developed and produces the embedded US Type I encryption radio under the subject contract. This action will be accomplished under the authority of 10 U.S.C. 2304(c)(1) and FAR 6.302-1.