It was not enough for McMaster to declare the objective was to prevent another terrorist attack. The question was simple: How would several thousand more troops help to achieve that? There were four missions in Afghanistan: train and advise the Afghan Army and police; logistical support; counterterrorism; and the intelligence mission. McMaster had to craft a strategy that avoided escalation, or the appearance of escalation. It could not directly or brazenly challenge Trump’s stated desire to get out, but had to softly market a new approach that soon would be called “stay the course.”