[[File:Rex A-DSD TCWCG.jpg|left|thumb|180px|[[Clone trooper captain|Captain]] [[CC-7567|Rex]] fires on an A-DSD.]]
It was built for tough combat on uneven terrain, and was therefore equipped with multiple weapons systems. These included dual target-seeking missiles which could fire once the targeting systems had a lock-on. The A-DSD had plated front legs, the plates being large enough to protect it from any forward attack, unless they were blown off, which was relatively easy to do.
On top of the droid's frame was a powerful cannon that shot high-energy bolts with explosive power and tremendous range of destruction. The unit did possess one weakness, which was its lone, red, sensor eye which could scan its surroundings for enemy targets. Use of anti-armor weaponry could destroy these units.
Manufactured by [[Commerce Guild]], this droid was originally built to root out miners who refused to pay [[Commerce Guild]] tariiffs. Available commercially for many years before the [[Battle of Geonosis]], it was used in holographic training simulators for [[clone trooper]]s on [[Kamino]], but was not manufactured in large numbers until some time after the mobilizations of the droid armies due to cost overruns.
[[Delta Squad]] faced several of these war droids during their covert missions throughout the [[Clone Wars]], on theatres such as [[Geonosis]] and [[Kashyyyk]]. Following the [[Mission to Mustafar|execution]] of the [[Separatist Council]] by [[Palpatine|Darth Sidious]]'s new [[Sith apprentice|apprentice]], [[Anakin Skywalker|Darth Vader]], these units were de-activated.