Hellion

The Jackal is a Terran unit in StarCraft II.

Overview
The Jackal is a fast vehicle similar to the Vulture, armed with a rail gun.

Game Unit
The Jackal's rail gun, which currently targets only ground units, does splash damage in a line, and is well-suited to destroying weaker units such as Marines and Medics.

The Jackal can be quickly produced from a Factory with an attached Reactor.