Sokolov had come to it a bit late, since he had not been recruited into Spetsnaz until after serving a couple of tours in Afghanistan. But for exactly that reason his trainers had been ruthless with him, making him dive and fall and roll on concrete floors over and over again until blood had seeped through the fabric of his uniform wherever there’d been bone anywhere near the skin. The point being that if you did it right, there shouldn’t be blood, or even bruises.