HSC/YAK, 8107 13th St, Brooks AFB, TX 78235-5218

59 -- COMMERCIAL-OFF-THE-SHELF ACTIVE NOISE REDUCTION SYSTEM (ANRS) BATTERY PACK SOL F41624-97-R-1001 DUE 073197 POC Ms. Susie Madrid, Contract Specialist, HSC/YAK, (210) 536-6337 All references to the requirement for 6 hour continuous operation requirement is amended as follows: The 6 hour continuous operation requirement is desired. Over a 6 hour continuous operation period it is desired that the battery pack provide the required operational voltage (17 VDC to 30 VDC) and current (100 mA) to the ANRS. (0156)

Loren Data Corp. http://www.ld.com (SYN# 0272 19970610\59-0002.SOL)