Science and Engineering Services LLC, Huntsville, Alabama, is awarded a firm-fixed-price, cost-plus-fixed-fee $13,311,484 modification (P00020) to a previously awarded, firm-fixed-price, cost-plus-fixed-fee, cost reimbursable contract (N0001919C0022).  This modification exercises options and adds scope to perform return to flight repairs for two SH-60F aircraft, as well as adds scope for retrofit updates to the Identify Friend or Foe system to the latest Mode 5 requirements to delivered aircraft for the government of Spain.  Work will be performed in Huntsville, Alabama, and is expected to be completed in July 2025.  Foreign Military Sales customer funds in the amount of $13,311,484 will be obligated at the time of award, none of which will expire at the end of the current fiscal year.  The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.