| 1 | The army training exercises ended with a mock battle. | |
| 2 | But design and simulations can only take you so far. | |
| 3 | They are now able to stimulate this simulated brain with images. | |
| 4 | Of course, computer simulations can say only what could have happened, not what did. | |
| 5 | Simulations would not be sufficient; those only work after at least one actual test. |