staff, sgt, elvin, hamm, left, commands, four-vehicle, convoy, in, virtual, combat, trainer, while, right, specialist, thomas, brown, drives, simulator, stryker, schofield, gives, iraq-bound, soldiers, degree, battlefield, realism, training, without, actual, danger, solders, from, st, battalion, infantry, regiment, watch, action, computer, screens, as, fellow, soldier, trains, driver, sits, six, piston, legs, can, mimic, feel, ton, vehicle, down, to, minute, vibrations, other, end, scale, rollover, be, simulated, inside, by, foot, wraparound, provide, nearly, view, what, s, ahead, pfc, jason, call, prepares, take, run, master, jim, guzior, looks, targets, squad, center, shoots, his, headset, monitor, he, darting, alleyways, reality, practically, standing, still