Some klaxons began to sound throughout Cheyenne Mountain.. 
Something had happened.. An SG-1 GDO signal had been received and the Stargate had been opened, only a number of Cybermen came through the gate.. and Jacob – Sam Carter’s father – was one of them…  This was a foothold situation now.

Continue reading WhoSliders #22 – ROSE’S SLIDERS: FOOTHOLD OF THE CYBERMEN →