 On January 29, 2011, the Pentagon released its plan for implementing the end of DADT.It called for a three-month period of training for all personnel, beginning in the third quarter of 2011.President Obama, Defense Secretary Leon Panetta, and Joint Chiefs of Staff Chairman Adm. Mike Mullen sent Congress the required certification that implementation of repeal would not have negative effect on military readiness and performance on July 22, 2011.