Andy timed it to blast across Chain Bridge while the chopper was moving south, then continued up away from the river and into the placid, tree-shaded residential zone around MacArthur. The radar didn’t yelp that the Yellowjacket was zeroing in on them. Andy relaxed. He was tooling down Loughboro Road when he learned that he wasn’t the foxy one—the Yellowjacket pounced, coming around a building and showing on radar no sooner than on visual.