The drill line of promotions give military units first strikes, and reduce the amount of collateral damage they take. In vanilla Civ4, drill was not available to gunpowder units. This capability was added... when?
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 25 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
