Sa-Alc/Propulsion Directorate, 661 Duncan Drive, Kelly Afb, Texas 78241-6318

28 -- RING ASSEMBLY SOL F41608-97-45051-00 POC For copy, Fax Request to LPKAH at (210)925-6659, For additional information contact Heckler, N./lpkah/[210]925-6385 This modification is to change this request from a fixed quanity of 89 to a requirements contract request with the following BEQ's. Basic year:89; 1st opt year: 36; 2nd opt year 46. The issue date is hereby changed to 16JUN97 and the opening date is hereby changed to 18JUL97. See Note (s) 13,22,26. (0150)

Loren Data Corp. http://www.ld.com (SYN# 0235 19970603\28-0010.SOL)