Then A Soldier

In "I'm a Big Fan" by Stephen Coonts, former SAS operative John Winter seeks a peaceful new life as a pilot-for-hire after a covert mission goes awry. However, his past catches up with him when his enemies target him amidst preparations for a US Presidential visit. As the plot thickens, Winter discovers that the intended target has plans of their own, setting the stage for a high-stakes confrontation.