A year ago to the day, China knocked a weather satellite out of orbit, and threw the international community into panic. Some figured the satellite-killer test was the harbinger of a future war in space — the kind of conflict that could cripple a tech-dependent United States military. Geoffrey Forden, PhD — an MIT research associate and a former UN weapons inspector and strategic weapons analyst at the Congressional Budget Office — examines the possibilities of an all-out Chinese assault on American satellites. This is part one. Click for parts two and three.