Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded an $8,183,124 modification (P00072) to a previously awarded cost-plus-incentive-fee contract (N0001912C0070). This modification adds scope to provide engineering tool studies; weapons load trainer support, wind tunnel test and analysis support, weapons certification and data release, and engineering project office support for the government of Israel’s F-35 program. Work will be performed in Fort Worth, Texas (72%); Nevatim, Israel (20%); Tel Nof, Israel (4%); Feltham, United Kingdom (3%); and Tel Aviv, Israel (1%), and is expected to be completed in September 2024. Foreign Military Sales customer funds in the amount of $8,183,124 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.