Hamilton Sundstrand Corp., Rockford, Illinois, is awarded a $10,075,122 modification (P00003) to a previously awarded firm-fixed-price contract (N00019-19-C-0006). This modification exercises an option to procure non-recurring engineering and equipment for system integration lab activities in support of the V-22 aircraft Constant Frequency Generator Control Unit design improvement effort for the Navy, Air Force and the government of Japan. Work will be performed in Rockford, Illinois (96%); Patuxent River, Maryland (2%); and various locations within the continental U.S. (2%), and is expected to be completed in October 2021. Fiscal 2020 research, development, test and evaluation (Navy and Air Force); and Foreign Military Sales funds in the amount of $10,075,122 will be obligated at the time of award, none of which will expire at the end of the current fiscal year. This modification combines purchases for the Navy ($7,073,336; 70%); Air Force ($1,742,396; 17%); and the government of Japan ($1,259,390; 13%). The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.