The two directly in front of her fired together.

We both fired together; I shot him through the neck at the first shot, and he fell dead on the field.

The others take from left to right as they wish and we fire together.

The nations of the world band together and fire the volley.

The barrel the operator fired was chosen by selector, or could fire both together.

The relatively small number of cells that were involved in an act of paying attention to a particular event will fire together.

How do they fire together to produce behaviors?

There were two sharpshooters there by that time, and they fired together.

He indicated to the other squad members that they prepare to fire together.

We fired together, just in time to thwart another rush.