19 August Amendment 03 - Solicitation Closing Date Extended to 01 September 20213 August Amendment 02 - Solicitation Closing Date Extended to 19 August 20219 July Amendment 01 - Solicitation Closing Date Extended to 5 August 20215-Year Indefinite Delivery Indefinite Quantity (IDIQ) Contract for Remanufacture/re-core of the B-1B heat