The Air Force is negotiating with Wideband Global Satcom (WGS) prime contractor Boeing [BA] to add anti-jam capability to future WGS satellites, starting with the eighth spacecraft, according to an Air Force official.Air Force Space and Missile Systems Center (AFSMC) Military Satellite Communications (MILSATCOM) Systems Director Robert Tarleton told reporters Friday nothing is finalized. Tarleton said there isn’t much anti-jam capability in WGS-7, set for launch Wednesday, but there could be in future editions. WGS, which Boeing described as the…