He walked past Logan’s room and raised a hand in greeting before going into his own room and closing the door. He took his jacket off and draped it over his seat, stood looking out of the window thinking that he should have stayed at home today.Cahill glanced at a photograph on the shelf by his desk – him and Tom Hardy in uniform in the desert with their arms around one another.He heard the door open and turned to see Logan come in wearing a pair of faded jeans and a navy blue shirt, open at the neck. Lately Logan had decided that he didn’t want to wear the CPO combats and polo shirt. It felt too much like a uniform. Cahill still wore his.‘What’s up?’ Logan asked, seeing the fatigue in his friend’s face.‘This thing in Denver …’Logan sat on the couch.‘Is it that soldier thing?’ Logan asked. ‘You and Tim Stark.’‘We didn’t serve together.’‘No, but you know what I mean. Army, Secret Service. Same thing, right?’Cahill looked at the photograph again.‘I know you, Alex.