definiens: means the rights to use, modify, duplicate or disclose the licensed with such rights under thisOTA within the Government for United States Government purposes only ; and to release or disclose data outside the Government to anyauthorized persons pursuant to an executed non - disclosure agreement for such persons use, modiﬁcation, or reproduction for UnitedStates Government purposes only . United States Government purposes include Foreign Military Sales purposes . Under this Agreement, the period of Government purpose rights shall be no less than ten ( 10 ) years and during such time the MCDC member entity or PAHdeveloping or providing such Data to the Government with government purpose rights shall have the sole and exclusive right to use suchData for commercial purposes . In the event this Data is used to perform another project issued to that MCDC member entity or PAHunder this OTA during this ten ( 10 ) year period, the period of Page 33 of 51 government purpose rights shall be extended an additional ten ( 10 ) years starting with the date of completion of performance of theadditional project