They are given certain units, forcing them to heavily rely on the other.

Non-commissioned officers may be said to have charge of certain smaller military units.

It was used as a memory aid when counting certain units.

"We'd have to create certain units for various missions," he said.

These rules and equations can affect how effective the skill is when used by a certain unit.

Players can also build certain units to increase power generation like Generators.

Refined oil is the final type of fuel used to power and produce certain units.

However, the kit was not fielded until early 2005, and even then only to certain specified units.

The situation improved somewhat by spring 1937, but certain units remained short of equipment and ammunition throughout the war.