According to the Us Magazine Collector's Edition - Star Wars Rogue One article Going Rogue, the Death Troopers are comparable to the United States Navy SEALs.The helmets notable scrambled communications between Death Troopers and they were known for eliminating evidence of their presence when they're on missions. Standard weapons included the SE-14 Light Repeating Blasters, E-11 Ds long-range blaster rifles similar to the DLT-19 heavy blaster rifle and had C-25 fragmentation grenades. Death Troopers also traveled in small groups and had a specific skill set.Дeath Troopers were equipped with advanced military technology and weaponry such as dark black combat armor which was separate from basic Stormtrooper armor. Death Troopers also had more rigorous training and standards than standard Stormtroopers and were sent to more exotic places and environments. Candidates were also subjected to a battery of physical tests and surgical enhancements making them 'beyond human'.

Death Trooper candidates were required to exceed normal Stormtrooper standards, even in height and weight, and had to meet certain ideological standards as well. Any remaining Death Troopers were killed when the Imperial Base on Scarif was destroyed by the Death Star by orders of Tarkin.Дeath Troopers were the best of the best in the Imperial Military and were the elite of the Stormtrooper candidates who excelled at training and were reassigned to other facilities on places like Scarif for elite Death Trooper training. Two more Death Troopers appeared inside the base where they tried to kill Cassian and Jyn who stole the plans but were both killed by the former.

During the initial ground assault, Death Troopers were deployed during the later part of the battle and managed to inflict heavy casualties on the rebels before Baze Malbus managed to gun them all down before dying at the hands of a grenade and joining his friend Chirrut as one with the force. After getting out, the rebels began to detonate bombs all over the facility and began attacking the Imperial military base while Jyn and Cassian snuck in to find the Death Star plans. In 0 BBY, a small squadron of rebels simply known as Rogue One stole an Imperial Shuttle from a pilot who defected and made it past the shield protecting Scarif. They then traveled to Scarif where they protected Krennic still as he went to locate the imperial records on Galen to see what the weakness was when the rebels attacked. During the rebel air assault on the Imperial base, the Death Troopers survived and escaped with Krennic onboard his Imperial shuttle. Knowing that there was a mole, he ordered his Death Troopers to have the scientists executed if none of them complied and when Galen confessed to being the mole, they shot them all down regardless. Sometime after the Death Star was tested over Jedha, Krennic and a squad of Death Troopers appeared on the planet of Eadu where he was to sniff out Tarkin Initiative Scientists who had collaborated with the rebels. After the rebel fleet was nearly destroyed and was forced to retreat to the planet's surface, a ground assault was launched and Thrawn arrived leading a squad of Death Troopers who took part in the ground assault on Chopper Base until the Bendu appeared and allowed the rebels to escape. Intent on destroying the rebellion and ensure Imperial control over the galaxy, Grand Admiral Thrawn arrived to lead the imperial forces and was accompanied by Death Troopers. She was eventually killed and Galen was taken away while his daughter, Jyn, managed to escape and flee into hiding.Дuring the early years against the Empire, the Rebellion had reformed into the Alliance to Restore the Republic and fled to the Outer Rim planet of Atollon where the empire eventually found them. They eventually made it to his house and four Death Troopers were sent to the Erso household before Lyra Erso stepped out and threatened to shoot and kill Krennic.

During the early days of the Galactic Empire in 13 BBY, a squad of Death Troopers accompanied Director Orson Krennic to the planet of Lah'mu where they heading to find Galen Erso to complete the Death Star project.

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