Chapter 1

The command training ground at Fort Bragg's military working dog facility occupied a flat quarter-mile of packed earth and sparse grass on the southern edge of the installation, bordered on two sides by chain-link fence and on the remaining sides by the kind of unadorned distance that training grounds require. The air smelled like dried earth and dog and the particular composite of human anxiety that accumulates in spaces where performance is evaluated publicly.
Lieutenant Aiden Cole had been running Rex through the demonstration program for four months and he had not, in those four months, seen the dog fail to complete a command.
Rex was a Belgian Malinois who had come to Aiden's unit from a previous assignment that was listed in the official transfer documents as a deployment ending in operational loss of handler — the specific institutional language for a situation that did not have a clean ending but needed to be recorded as something. The dog's previous handler had been Sergeant First Class Marcus Webb. The explosion report had been filed two years earlier. There was a grave marker at Arlington. Aiden had not asked questions about the previous assignment because the transfer documents made clear that there were not questions available to be asked.

Rex worked well. Rex worked better than well — he was precise and responsive and had the kind of sustained attention that made training observers note things on their clipboards that Aiden had to consciously not let himself be proud of, because pride in a working dog's performance had to stay professional or it became sentiment, and sentiment was expensive in a unit like this.
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The demonstration that afternoon had an audience of approximately thirty soldiers from an incoming handler certification class, arranged behind the working lane with the attentive posture of people who know they are being shown something they need to learn. Major Hollis stood at the left edge of the observation line with his arms behind his back and his face in the neutral, evaluative expression of a senior officer watching something he has seen before and is checking for variance from standard.
The target man had arrived with the demonstration coordination team. He wore a padded bite jacket, standard issue, the kind that absorbed the impact of a working dog's contact without transferring it to the body underneath. He was in his late forties, built in the way of men who had spent years doing things that required physical durability and had it show without needing to announce it. His face was calm with the specific quality of someone who has been around enough tense situations that the tension of the current one does not require a special response.