Amendment W912PB19Q3149-0002 dated 28 June 2019 updates the Requirement Specifications (bold red text) to address questions from potential quoters (Amendment 0001 was not posted to FBO as it was made before the solicitation was ever posted).
Quoters must acknowledge Amendment 0002 when submitting quotations by completing block 15 on page 1 of the attached SF30 amendment document or by one of the other acceptable methods listed in block 11. The full solicitation as it now reads after the amendment is also attached here.