Last year I put out a video covering every canon and Legends All-Terrain walker used by the Galactic Republic and the Empire
Since then there's been an addition to the list, so I think it's about time to have a canon only version
The All Terrain Tactical Enforcer was used by the Galactic Republic during the Clone Wars
It was first deployed at the Battle of Genosis
It carried six laser cannons and one heavy projectile cannon
Its six legs could be magnetized or even adapted to climb up vertical surfaces.
They were considered to be the precursor to the AT-AT.
The All Terrain Open Transport was similar in design to the AT-TE
but had eight legs instead of six, and its primary function was troop transport
As such it was less heavily armed
The All Terrain Attack Pod was a three legged walker used for long-range artillery
The front leg was meant to help stabilize the primary cannon
The All Terrain Recon Transport was a small, one-man walker used for reconnaissance.
Despite being much smaller, their design inspired the AT-DP and the AT-ST.
The Self-Propelled Heavy Artillery Turbolaser was a twelve legged walking tank
outfitted with a turbolaser for bringing down larger enemy targets
The Turtle Tanker was a starship-walker hybrid
that was able to manipulate its four legs to assist landing on terrain
when no landing platforms were available
The All Terrain Defense Pod was one of the earliest walkers used by the Galactic Empire
They were crewed by one gunner and one pilot
and armed with one heavy laser cannon
They were a direct predecessor to the AT-ST
Visually, the AT-DP was very similar to a Legends walker called the All Terrain [Advance] Raider
because both vehicles were developed from the same concept art
originally done by Joe Johnston for The Empire Strikes Back
The All Terrain Armored Transport was a four-legged technological terror
and was one of the most recognizable symbols of the might of the Galactic Empire
Standing nearly 23 metres tall
It was armed with two heavy laser cannons, two medium laser cannons and could carry 40 troops into battle
Between Episode Five and Star Wars Rebels we've actually seen two versions of the AT-AT
The model seen in Rebels go by the same name
but were actually larger than those seen later in the Galactic Civil War
Also, according to Lucasfilm, both "Ay Tee Ay Tee" and a "At At" are correct pronunciations for the vehicle
The All Terrain Armored Cargo Transport was also larger than the standard AT-AT
They were not built for combat and as such they were less heavily armed and armored
Their primary purpose, as the name implies, was the transportation of heavy building materials or combat munitions
Their legs were required to handle far more weight than other walkers
So their knee joints were reinforced with an electromagnetic tensor field
An ion blast to that field would bring an AT-ACT down
The All Terrain Scout Transport was a bipedal walker used against enemy infantry
They were equipped with two laser cannons, a concussion missile launcher
and a side mounted weapons pod
While relatively quick and agile, they were lightly armored and could be knocked off balance
The last few walkers on the list are all technically canon
thanks to mobile games like Star Wars Commander
My personal opinion is that they're kind of in a canon gray area right now
At least until they show up in more story-driven content
But, they still deserve to be mentioned here
The Elite AT-AT came with heavier darker armor
and was also armed with more powerful laser cannons
The AT-ST Mark III was built with experimental armor that allowed it to be better protected
as well as faster and more agile
It was also darker in color and carried two heavy laser cannons
The All Terrain Personal Transport was manned by a single soldier
But carried the firepower of an entire squad
They were meant to neutralize especially intense combat zones
They originally appeared in Star Wars Legends material, but were made canon by Star Wars Commander
The All Terrain Missile Platform was a two-legged mobile missile launcher
It was more heavily armed than the the AT-ST
but was far less maneuverable
It first appeared in the Legends game The Force Unleashed II
but was also made canon by Star Wars Commander
The All Terrain Missile Platform Mark III was a more beefed-up version of the standard AT-MP
Where the AT-MP and the AT-ST Mark IIs are, I have no idea
And finally I want to mention the First Order walkers seen in The Force Awakens
We never get a good look at them or even have an official name
But they're currently being referred to as base defense walkers
A mobile assault Walker was also released as a toy
but has yet to appear in any actual content
And that's going to bring our canon list of walkers to a close
I imagine this could be a video I update on a yearly basis as more walkers are released
and we already have rumors of a new style of "guerrilla walkers" being used by the First Order in The Last Jedi
But until then please give this video a thumbs up
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As always, thanks for watching and May the Force be with you