Insitu Inc., Bingen, Washington, is awarded a $12,514,386 modification (P00017) to previously awarded firm-fixed-price, indefinite-delivery/indefinite-quantity contract N00019-19-D-0033.  This modification increases the ceiling to provide additional air vehicles, support equipment and spares in support of the RQ-21A Blackjack Unmanned Aircraft Systems (UASs) and ScanEagle UAS for the Navy and Foreign Military Sales customers.  Work will be performed in Bingen, Washington (83%); various locations outside the continental U.S. (12%); and various locations within the continental U.S. (5%), and is expected to be completed in June 2022.  No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued.  The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.