sentences:  In 1999 the unit again responded when the squadron received a Presidential Selective Reserve Call-Up (PSRC) for operations in the NATO Bosnia and Kosovo Campaigns.During the terrorist attacks on September 11, 2001, the unit was active in setting up a static ground communications system to support the 113th Wing's airfield operations in establishing combat air patrols over the nation's capital.In January 2003 the unit was called by the 1st Air Force to provide communications command and control in support of the Integrated Air Defense (IAD) of the National Capital Region during the 2003 Presidential State of the Union Address.