R&D Contracting Directorate, Bldg 7, 2530 C Street, WPAFB, OH 45433-7607

A -- PERIODICALLY POLED MATERIALS SOL PRDA #97-31-MLK DUE 050697 POC Philip R. Nelson, Contracting Officer, WL/MLKM, (937) 255-5830 PRDA # 97-31-MLK was issued in the CBD on March 18, 1997 under the title "PERIODICALLY POLED MATERIALS." The published title was incorrect and a subsequent amendment issued March 19, 1997 attempted to correct the error. "PERIODICALLY POLED MATERIALS" is actually the title of another solicitation, PRDA #97-39-MLK, issued in the CBD on February 26, 1997. To avoid further confusion, PRDA #97-31-MLK issued on March 18, 19977 and later amended March 19, 1997 is hereby cancelled. PRDA #97-31-MLK will be reissued under the correct title, "LASER HARDENED MATERIALS ADVANCED STUDIES." PRDA #97-39-MLK, issued February 26, 1997, and correctly titled "PERIODICALLY POLED MATERIALS" is not cancelled. (0079)

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