SIR AMENDMENT ANNOUNCEMENTAmendment 0001 posted on 01 December 2021 to Solicitation 6973GH-21-R-00210 (Notice ID: 21-R-00210)See formal SF30 Amendment titled "6973GH-21-R-00210 Amendment 0001" in the attachments/links section. This amendment makes changes to the solicitation as detailed on page 1 of the amendment which states:The purpose of Amendment 0001 is as follows:1) Add the Questions and Answers2) Update the Schedule B - Supplies or Services/Prices3) Update Schedule C - Description/Specifications, and 4) Update Statement of WorkAll offerors are required to acknowledge amendment 0001 on page 2 of the SIR or provide a signed copy of the amendment (SF30) with their bid submission. If this amendment is not acknowledged or signed, the bid will be considered non-responsive.Note: The FAR references cited in SAM.gov are not applicable to the Federal Aviation Administration (FAA) as the FAA has its own policies and guidance referenced in the Acquisition Management System