B-2 Interface Processor Unit

**The purpose of this amendment is to extend the response date to 31 October 2019 12PM CST. All other terms and conditions remain unchanged. The purpose of this amendment is to extend the response date to 6 September 2019 12PM CST. All other terms & conditions remain unchanged. The Interface Processor Unit (IPU), NSN: 5895-01-577-5557FW, provides processing capability to the B-2 aircraft as part of the extremely high frequency satellite communications system. The vendor is to provide repair of the NSN to return it to serviceable "A" condition, issuable to all customers without limitation or restriction.