Robertson Fuel Systems, Tempe, Arizona, has been awarded a $175,969,611 firm-fixed-price domestic and foreign military sales (India, Indonesia, Qatar, and United Kingdom) contract to procure auxiliary fuel systems including reduced size crashworthy external fuel systems and internal auxiliary fuel systems for the Apache AH-64 helicopter for domestic and foreign military sales. Bids were solicited via the Internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of Dec. 31, 2021. U.S. Army Contracting Command, Redstone Arsenal, Alabama, is the contracting activity (W58RGZ-17-D-0092)