Walker (Star Wars)
All Terrain Walkers are
There are a variety of walkers:
All Terrain Armored Transport (AT-AT)
All Terrain Armored Transport | |
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Star Wars vehicle | |
stop-motion animation | |
First appearance | The Empire Strikes Back |
Created by | Joe Johnston |
Information | |
Affiliation | Galactic Empire |
Made by | Kuat Drive Yards |
Auxiliary vehicles |
|
General characteristics | |
Class | Walker |
Armaments | |
Maximum speed | 60 km/h (37 mph)[2] |
Length | 25.9 m (85 ft)[1] |
Height | |
Population volume |
The All Terrain Armored Transport (AT-AT) is a quadruped mechanized infantry combat vehicle used by Imperial ground forces.
The AT-AT (pronounced either casually as 'at at', or using only the letters 'A.T. A.T.')[3] was first introduced in The Empire Strikes Back (as the Galactic Empire's main units against Rebel Alliance infantry during the Battle of Hoth) and also appears in Return of the Jedi and in Rogue One (in the AT-ACT variant).
The AT-AT also appears in a destroyed form in
The theme park attraction Star Wars: Rise of the Resistance, set after The Last Jedi, features two full-sized AT-ATs in a hangar bay. These walkers, while mostly static, can move their cannons to allow for a scene in which the walker's drivers spot the ride vehicles and fire at them.
Origin and design
Joe Johnston's original design for the Empire's war machines was a giant, multi-wheeled vehicle; this design later became the "Juggernaut" in West End Games' roleplaying material, and the design was reworked into the clone turbo tank for Star Wars: Episode III – Revenge of the Sith.[4] Johnston said Lucas wanted the walkers to look like anthropomorphic walking tanks to make them frightening.[5]
For The Empire Strikes Back, however, the final design was a four-legged walker. Inspiration for the AT-AT came from
ILM created models ranging from six to fifty centimetres (2–20 inches) in height.
The sound of the AT-AT walking was created by
Depiction
The All Terrain Armored Transport is an assault walker used by Imperial ground forces to blast through enemy lines with its sheer mass and firepower and deploy a platoon of crack assault troops.
The walker's crew consists of two AT-AT pilots and a vehicle commander; while both pilots are fully qualified, one usually serves as the driver and the other as gunner.[1] AT-AT pilots receive specialized training in order to operate their walkers, using terrain sensors in the head and footpads to find sure footing, and as such warrant extra layers of protection and long-lasting power packs in their life-support suits.[1][11][13]
Although imposing, these weapons of terror have a number of design flaws. While AT-ATs can navigate most rugged ground, certain features such as steep hillsides or swamps can impede them.[1] A high center of gravity and unstable legs also make them susceptible to tripping. Their size makes them conspicuous targets, especially on open terrain; while largely impervious to attack, their neck and underbelly are vulnerable to blasters and missiles.[10]
In the
A ruined AT-AT appears in Star Wars: The Force Awakens as the makeshift home of the scavenger Rey on the planet Jakku. Using scavenged parts from the walker and other vehicles, Rey is able to construct a power system for her home along with booby traps and motion sensors to deter potential thieves. Information in the AT-AT's manifest reveal it was designated Hellhound Two, part of the complement of the Imperial-class Star Destroyer Interrogator, but the ultimate fate of its crew is unknown.[14]
The First Order uses an updated model of the AT-AT during the Battle of Crait at the end of Star Wars: The Last Jedi. Built by Kuat-Entralla Drive Yards, these versions of the venerable AT-AT address some of the stability issues that plagued the Imperial walkers. They also use lighter armor material to add additional layers of protection and address weak points without increasing weight.[10][15]
Analysis
In 2011, a fan-led effort to get a life-sized, fully functional AT-AT built was stopped by Lucasfilm as violating their intellectual property.[16] Commenting on the effort, Heiko Hoffman, a robotics expert at HRL Laboratories, argued that building an AT-AT would easily cost US$100 million or more. He also argued that building such a vehicle would poses challenges since structural strength does not increase the same way as mass and there would be tremendous stress on the legs and joints, though he noted the AT-AT's method of walking was "statically stable" and appropriate for a heavy vehicle.[17] A later estimate conducted in 2016 argued that building a real-life AT-AT would cost US$228.5 million. Using the M1 Abrams as a starting point, such a vehicle would weigh over 1,000 tons and generate 19 megawatts of power.[18][19]
Dr. Malcolm Davis, director of the Defense & Strategy Program at the
Joe Pappalardo of Popular Mechanics also argues that the AT-AT is a poorly-designed troop transport, being slow, top-heavy and conspicuous with its legs being a particular vulnerability. He contends that the Empire would have won the Battle of Hoth faster and more easily if they had deployed smaller conventional vehicles.[22]
All Terrain Scout Transport (AT-ST)
All Terrain Scout Transport | |
---|---|
Star Wars vehicle | |
![]() An AT-ST walker, as depicted in Return of the Jedi | |
First appearance | The Empire Strikes Back |
Information | |
Affiliation | Galactic Empire |
Made by | Kuat Drive Yards |
General characteristics | |
Class | Walker |
Armaments | |
Maximum speed | 90 km/h (56 mph)[25] |
Power | High-density power cells[23] |
Height | |
Population volume |
The All Terrain Scout Transport (AT-ST) is a two-legged
An AT-ST also appears briefly in Rogue One: A Star Wars Story, patrolling Jedha City following an attack by Saw Gerrera's forces. A modified AT-ST later appears in The Mandalorian under the possession of a group of raiders, as the Empire has ceased to exist by the time of the series. An updated model of the AT-ST is used by the First Order in The Last Jedi. Shortly before the film's climax, an AT-ST is commandeered by BB-8.
Video games such as Star Wars: Rogue Squadron and Shadows of the Empire (in a much expanded Battle of Hoth) include numerous AT-STs, and these can be destroyed by direct shooting from the player's craft, in contrast to the heavily armored AT-ATs which have to be tripped by tow cables. AT-STs are also player-controllable units in several real-time strategy games.
Origin and design
A single AT-ST makes a brief appearance in The Empire Strikes Back alongside the larger AT-ATs during the Battle of Hoth. The AT-ST was meant to have more screen time; however, one scene depicting a snowspeeder shooting at the AT-ST model was ruined when the set's background shifted.[27]
For Return of the Jedi, ILM made the AT-ST design more detailed.
Lee Seiler sued Lucasfilm in the mid-1980s, claiming that the AT-ST infringed on his copyright on what he called a "Garthian Strider", which he said he created in 1976 or 1977. The case was dismissed with the court noting that not only did Seiler not produce the supposed drawings at trial, but that the copyright came one year after The Empire Strikes Back debuted.[28]
Depiction
According to Star Wars sources, the in-universe development of the AT-ST can be traced back to earlier walker models like the AT-RT and AT-DP.
AT-STs are crewed by two pilots, one who controls the weaponry while the other drives the walker. Their uniforms include fire-resistant boots, jumpsuits over basic armor plating, and crew helmets with attached telemetry receiver units.[11] The two operate the scout walker looking out of the forward viewports or by relying on viewscreens and holoprojectors which help them see the area all around the walker. While the AT-ST's computer can pilot it easily enough over level ground, AT-ST pilots must use their dexterity and superior sense of balance to help it navigate more difficult terrain.[23][11]
In order to achieve its speed and size, the AT-ST is forced to sacrifice offensive and defensive capability. Its chin-mounted blasters are only effective out to 2 km (1.2 mi), while the side-mounted weaponry has less range. Lightweight armor plating is proof against blasters and other small arms, but cannot withstand heavier laser cannons and missiles.[29] The AT-ST must rely on high-intensity power cells as it is too small to carry a full power generator, limiting its range.[23]
In The Empire Strikes Back, AT-STs scout for and provide support for the slower AT-ATs during the
An updated model of the AT-ST is used by the First Order during the Battle of Crait in The Last Jedi. Based on the classic Imperial scout walker, this version boasts improved stability and greater protection thanks to new lightweight armor plating.[15]
Analysis
In episode 208 of
All Terrain Tactical Enforcer (AT-TE)
All Terrain Tactical Enforcer | |
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Star Wars vehicle | |
First appearance | Attack of the Clones |
Last appearance | Rebels |
Created by | Rothana Heavy Engineering |
Information | |
Affiliation | Galactic Republic |
Auxiliary vehicles | (2x) AT-RTs or speeders |
General characteristics | |
Class | Walker |
Armaments |
|
Maximum speed | 60 km/h (37 mph)[32] |
Length | 13.2 m (43 ft) (hull only)[31][32] |
Width | 5.7 m (19 ft)[31] |
Height | 5.7 m (19 ft) (hull and legs)[31] |
Population volume |
The All Terrain Tactical Enforcer, or AT-TE walker, is a
Origin and design
Conceived by Ryan Church as a predecessor to the AT-AT, the AT-TE's animation for Attack of the Clones was supervised by Rob Coleman.[33] Tom St. Amand, who worked on the AT-AT scenes in The Empire Strikes Back, provided his experience to create a similar appearance for the AT-TE.[33]
Depiction
AT-TEs first appeared in Attack of the Clones during the
The walker's unique six-legged design and flexible midsection gives it excellent stability and allows it to traverse otherwise impassible terrain. Its footpads contain terrain sensors and tractor-field generators which enhance its purchase on rough ground.[31] They can also be magnetized, allowing the AT-TE to even hang upside-down on metal surfaces.[32][34]
A turret-mounted
The AT-TE carries two squads of
In the
Analysis
B.K. Lok of That Hashtag Show argues that the AT-TE is the best-designed walker in the Star Wars universe. Specifically in comparison to the AT-AT, they argue it's harder to hit, is more stable, and possess greater all-around weapons coverage.[38] Daniel Dimanna of Screen Rant however argues that the AT-AT is the superior walker. While acknowledging the AT-TE's better stability and maneuverability, he cites the AT-AT's more powerful weaponry, impenetrable armoring, and greater carrying capacity as making it the definitive Star Wars walker.[39] Blake Hawkins of CBR refers to the AT-TE as "slow, awkward and kind of ridiculous" but states that Episode 10 of The Bad Batch helped redeemed it by showcasing its ability to navigate over difficult obstacles and its ability to intimidate the local populace. The AT-TE was similar to the All Terrain Open Top Transport (AT-OT), which was used for troop transport and lightly armed, while the AT-TE was more heavily armed and had less space for troops inside.[40]
All Terrain MegaCaliber Six (AT-M6)
All Terrain MegaCaliber Six | |
---|---|
Star Wars vehicle | |
First appearance | Star Wars: The Last Jedi |
Created by | Kuat-Entralla Drive Yards |
Information | |
Affiliation | First Order |
General characteristics | |
Class | Walker |
Armaments | |
Length | 40.87 m (134.1 ft)[41] |
Width | 17.95 m (58.9 ft)[41] |
Height | 36.18 m (118.7 ft)[41] |
Population volume |
The All Terrain MegaCaliber Six, or AT-M6 walker, is a mobile
As part of a promotional tie-in for the release of The Last Jedi, Nissan unveiled a concept car based on the AT-M6 called the Nissan Titan. Weighing about 6,500 pounds and using primarily molded aluminum parts, the Titan was built in partnership with Vehicle Effects, which also built cars for the Fast & Furious and Marvel Cinematic Universe (MCU) franchises. It was the most labor-intensive of several Star Wars-themed cars debuted in the run-up to the movie's release.[42]
Origin and design
In making a new walker vehicle based on the AT-AT for the First Order, the creative team behind The Last Jedi wanted to address the tow-cable vulnerability which had been highlighted in The Empire Strikes Back. Kevin Jenkins, the movie's design supervisor, suggested to Rian Johnson that it be based on a gorilla instead of a dog so they could not be tripped up. Photos of real-life gorillas were used as a starting point for the final design and helped to give the AT-M6 a distinctive and aggressive posture.[43]
Depiction
According to background material, the AT-M6 is considered the First Order's most powerful combat walker. Unlike the preceding AT-AT which functioned as an assault transport, the AT-M6 is primarily a platform for a MegaCaliber Six
With the Resistance entrenched on Crait at a former Rebellion base, a contingent of AT-M6s are among the First Order forces deployed to the planet's surface to engage them, providing escort for a massive
Analysis
In comparing the AT-M6 to its predecessor, Dr. Malcolm Davis notes that, while the specific vulnerability to tow-cable attacks was addressed, many of the same criticisms applied to the AT-AT still hold true for the First Order's walker. A more realistic design he argues would look similarly to the massive tanks which feature in the Bolo universe.[21] Joe Pappalardo likewise believes that the AT-M6 is even worse than the AT-AT because it has all of the same problems but increased in scale. He argues it was a lost opportunity to not give the walker the same agility as its simian inspiration and allow it to use its massive arms to walk, climb and swing more easily over obstacles.[47]
List of other Star Wars walkers
Many vehicles were created for various Star Wars media and depicted as technological evolutionary predecessors and successors to the walkers featured in the original trilogy.[48]
In film and television
- Utilized by the Republic, Empire and First Order
- All Terrain Attack Pod (AT-AP): Featured in Revenge of the Sith and Clone Wars media, as a variation of the AT-PT. Alex Jaeger designed the AT-AP per Lucas' request to "diversify the Clone armor".[49][50] Nicknamed the "sniper tank", the AT-AP features a variety of artillery weapons, a retractable third leg for stability, and other offensive features.[49]
- All Terrain Open Transport (AT-OT): Introduced in Revenge of the Sith and other sources, is a heavily armored transport whose open design makes it vulnerable from above.[51] The AT-OT can transport 34 clone troopers, who are protected by thick armor and four laser cannons.[52] During the late stages of Revenge of the Sith's development, it was called the "Clone CAT walker".[53]
- All Terrain Recon Transports (AT-RT): Introduced in Revenge of the Sith operated by clone troopers searching for Kashyyyk. The AT-RT is described as a precursor to the AT-ST, though it also shares similarities to the AT-PTs of the same era.[54] A scene cut from Revenge of the Sith would have shown Yoda distracting clone troopers while Chewbacca removes them from their AT-RT in a manner similar to how he obtains control of an AT-ST in Return of the Jedi.[55] AT-RT animators studied AT-ST movement to recreate part of the "original funkiness of movement" caused by the stop-animation style used in the original trilogy.[55]
- All Terrain Defense Pod (AT-DP): Introduced in Star Wars Rebels, the AT-DP is described by Star Wars references as a successor to the AT-RT, combining speed with an armored cockpit to protect a pilot and gunner. Standing 11.6 m (38 ft) high and weighing 11,200 kg (24,700 lb), the AT-DP can reach speeds of 90 km/h (56 mph). Because it is only armed with a single Kyuzo Maad-38 heavy laser cannon, the Empire primarily uses AT-DPs for defensive purposes like policing or sentry duty.[56][57][58]
- All Terrain Mobile Artillery (AT-MA): Introduced in The Force Awakens, the AT-MA is a model of Hosnian system. Several AT-MAs were portrayed in the ground vehicles storage area of a Resurgent-class Star Destroyer.[59]
- All Terrain Armored Cargo Transport (AT-ACT): Introduced in Rogue One,[60][61] these walkers are slightly larger than the standard AT-AT, with a hollowed-out center section that can hold a cargo container. Director Gareth Edwards instructed the film's concept artists to design walkers based on their idealized memory of the AT-AT.[62] According to background material, the AT-ACT was built for hauling cargo at Imperial construction sites and research facilities. Larger than AT-ATs at 31.9 m (105 ft) tall, an AT-ACT's central container can hold 550 m3 (19,000 cu ft) of cargo. Although not meant for use on the battlefield, the AT-ACT is heavily armored against most handheld weapons and equipped with two Taim & Bak MS-2 heavy laser cannons, allowing it to be deployed into combat in an emergency.[63][64]
- All Terrain Heavy Hauler (AT-HH): Featured in The Last Jedi, utilizing many more legs than most walkers to allow it to tow heavy cargo.
- All Terrain Heavy Scout (AT-HS): A model of walker fielded by the First Order. The LEGO version of the AT-HS was based on a piece of concept art for The Last Jedi which, although canon, was ultimately not used in the final cut of the film.
- All Terrain Cold-weather Mobile Heavy Cannon (AT-CMHC): A remodeled variant of the Umbaran UMHC used by the Imperial Military. This prototype model was specialized in sub-zero temperatures.[65]
- Utilized by other factions
- Umbaran mobile heavy cannon (UMHC): Used by armoredand had an articulated electromagnetic plasma cannon mounted on top of its dome-like body.
In Expanded Universe media
- All Terrain Personnel Transport (AT-PT): Introduced during the climax of AT-ST.[66] The AT-PT is also featured in several video games, including Star Wars: Rogue Squadron, Star Wars: Force Commander, and Star Wars: Galactic Battlegrounds.
- Mountain Terrain Armored Transport (MT-AT): Introduced in Jedi Academy Trilogy, dubbed "spider walkers", are octrupedalism specially for mountain terrain. These specific walkers can walk almost vertically, and are delivered through pods launched from larger ships
- All Terrain Anti-Aircraft (AT-AA): Featured in various Expanded Universe media, is a four-legged anti-aircraft vehicle used by the Galactic Empire.[67]
The All Terrain Advance Raider (AT-AR) appears in
Merchandise
See also
- Mecha
- Iron Dobbin, an early mechanical horse from 1933
- Walking Truck, a real-world quadrupedal "walker" from 1969
- BigDog, a dynamically stable quadruped military robot built in 2005
Bibliography
- Barr, Tricia; Bray, Adam; Horton, Cole; Horton (2017). Star Wars: The Visual Encyclopedia. United States: DK Publishing. ISBN 978-1-4654-5962-6.
- Barr, Patricia; Bray, Adam; Jones, Matt; Horton, Cole; Wallace, Daniel; Windham, Ryder (2019). Ultimate Star Wars New Edition. United States: DK Publishing. ISBN 978-1-4654-7900-6.
- Dougherty, Kerrie; Fry, Jason; Hidalgo, Pablo; Reynolds, David West; Saxton, Curtis; Windham, Ryder (2020). Star Wars Complete Vehicles New Edition. United States: DK Publishing. ISBN 978-0-7440-2057-1.
- Luceno, James; Reynolds, David West; Windham, Ryder; Fry, Jason; Hidalgo, Pablo (2018). Star Wars: The Complete Visual Dictionary. United States: DK Publishing. ISBN 978-1-4654-7547-3.
- Lund, Kristin; Beecroft, Simon; Dougherty, Kerrie; Luceno, James; Fry, Jason (2016). Star Wars: Complete Locations. United States: DK Publishing. ISBN 978-1-4654-5272-6.
- OCLC 889674238.
- Walker, Landry Q. (2018). Star Wars Encyclopedia of Starfighters and Other Vehicles. United States: DK Publishing. ISBN 9781465482716.
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External links
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- Index of Technology section of the Star Wars Databank – Includes several All Terrain walkers
- How Walkers Walk: Stop Motion Workshop Footage, narrated by Dennis Muren on YouTube
- AT-AT Pilots in the StarWars.com Databank
- AT-AT Walker in the StarWars.com Databank
- AT-DP Walker in the StarWars.com Databank
- AT-RT Walker in the StarWars.com Databank
- AT-ST Walker in the StarWars.com Databank
- AT-TE Walker in the StarWars.com Databank
- Modified AT-TE Walker in the StarWars.com Databank
- Walker on Wookieepedia, a Star Wars wiki