Name one of the two firing rates available on the M61A1.

The M61A1 Vulcan cannon is equipped with two firing rates, one of which is 4000 rounds per minute, often referred to as the "Gun Low" setting. This high rate of fire allows for effective engagement of fast-moving targets and is particularly useful in air-to-air combat scenarios.

The ability to fire at this rate ensures that the M61A1 can deliver a large volume of fire in a short amount of time, increasing the likelihood of hitting a target. The designation "Gun Low" typically refers to the setting used during certain combat situations to balance the need for rapid fire with considerations of ammunition conservation and system wear.

By understanding this firing rate, personnel can better appreciate the operational capabilities of the M61A1 and how it is employed in various mission profiles. The M61A1's design as a rotary cannon provides it with these options to adapt to different tactical needs.