In the distant future, mankind is divided into two factions: Union and Deague. They have waged a war against each other for so long that no one remembers when it first began. The backbone of the Union military is the manned weapons system Strain, while the Deague uses an unmanned version, the Tumoru.
Sara Werec, the daughter of a respectable family, is a 16-yearold girl who attends Grapera Space Armed Soldier Academy located in the Cranial Solar System, where she is training to become a full-fledged Reasoner (a Strain pilot).
Her brother, Ralph Werec, had been sent to the frontline 130 light-years away to accomplish a special mission when she was 11 years old, a distance that requires 400 years of objective time to traverse by even the fastest Union spacecraft. However, in accordance with the theory of relativity, this corresponds to only two subjective years (time as experienced by those within the spacecraft).
The two of them had lost their parents when they were young and the bond between the two is very close. It is Sara’s dearest wish to be reunited with her brother. To do that, she must travel to the battlefield where he is.
One day, Sara’s planet is suddenly assaulted by Deague forces. To her surprise, her brother, Ralph, turns out to be one of the raiders who successfully kidnap a mysterious girl sleeping in a capsule.
In order to find the truth, Sara gets in a Strain and chases after him. However, she is attacked by Ralph, and the Mimic, a copy of the pilot’s brain which is essential to controlling the Strain, is damaged.
Strain: Strategic Armored Infantry has finished airing and it has 13 Episodes. It is also Known as: 奏光のストレイン, Soukou no Strain
Genres: Science Fiction , Mecha , Action , Space Opera , Piloted Robot , Angst , Shipboard , Future , Stereotypes , Plot Continuity , Space , Military , Ecchi
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Top 5 Anime Like Strain: Strategic Armored Infantry (Soukou no Strain) [2026 List]
5. Mobile Suit Gundam SEED
C.E. 71: In the midst of war between the Naturals (OMNI) and Coordinators (ZAFT), a unit from ZAFT is dispatched to hijack the Earth Alliance's newly developed mobile suits on the neutral colony of Heliopolis. Orb Civilian Coordinator Kira Yamato attends the technical college on Heliopolis. After ZAFT hijacks 4 of the 5 mobile suits, Kira stumbles upon the last one, Strike, forced to pilot it to save his and his friend's lives. During this confusion, Kira also reunites with his childhood Coordinator friend, Athrun Zala, who ironically turns out to be a ZAFT soldier and one of the hijackers at Heliopolis. Having control of Strike, Kira joins the Earth Alliance boarding the ship known as Archangel, to protect his friends while despairing over becoming the enemy of his childhood friend and people.
Mobile Suit Gundam Seed has finished airing and it has 50 Episodes. It is also Known as: 機動戦士ガンダムSEED, Kidou Senshi Gundam SEED
4. Mobile Suit Gundam Wing
The United Earth Sphere Alliance is a powerful military organization that has ruled over Earth and space colonies with an iron fist for several decades. When the colonies proclaimed their opposition to this, their leader was assassinated. Now, in the year After Colony 195, bitter colonial rebels have launched "Operation Meteor," sending five powerful mobile suits to Earth for vengeance. Built out of virtually indestructible material called Gundanium Alloy, these "Gundams" begin an assault against the Alliance and its sub organization OZ.
One Gundam, whose pilot has taken the name of the slain colony leader Heero Yuy, is forced to make a crash landing into the ocean after an atmospheric battle against OZ's ace pilot Zechs Marquise. Upon coming ashore, he is found by Relena Peacecraft, daughter of a peace-seeking politician, who witnesses Heero's descent to Earth. Although neither of them realize it yet, this encounter will have a profound impact on both their lives, as well as those on Earth and in space colonies.
Mobile Suit Gundam Wing has finished airing and it has 49 Episodes. It is also Known as: Shin Kidou Senki Gundam Wing, 新機動戦記ガンダムW, New Mobile Report Gundam Wing
3. Macross F
In a futuristic universe, humanity waged war against a race of giants known as Zentradi. Facing extinction at hands of their foes, humanity escaped to the stars. In 2059 A.D., the 25th Giant Immigration fleet, also known as the Macross Frontier, undergoes its journey towards the center of the galaxy.
For the most part, life on the Macross Frontier proceeds as normal. But when famous singer Sheryl Nome visits, things go awry. Mysterious biomechanical aliens known as Vajra appear and attack, just as the citizens are busy clamoring over Sheryl.
17-year-old student mech pilot Alto Saotome joins the fray against the alien threat. While battling against a Varja, Alto rescues a young girl named Ranka Lee. Major Ozma Lee notes Alto's skill during his battle, and recruits him into the Strategic Military Services program. But his recruitment does not go smoothly, as the ghosts of Alto's past come up to haunt him.
Macross Frontier has finished airing and it has 25 Episodes. It is also Known as: マクロスＦ（ロンティア）, Macross F
2. Mobile Suit Gundam 00
In the distant future, mankind's dependence on fossil fuels will lead to their complete depletion, an energy crisis unlike anything the world witnessed. Out of retaliation and fear, humanity began focusing at an alternative source of energy: solar power. Different nations have united together to form three major factions—the Union of Solar Energy and Free Nations, the Advanced European Union, and the Human Reform League. Each of these sectors has access to a solar power generator, which gives them limitless energy.
As a result, countries that were once dependent on the sale of fossil fuels are now plunged in poverty, leading to years of warfare and internal strife over the control of solar energy. Amid this chaos, an unknown paramilitary organization appeared identifying themselves as "Celestial Being," aspire to end all warfare through armed intervention by using mysterious and technologically advanced Mobile Suits known as Gundams.Mobile Suit Gundam 00 follows the story of Celestial Being's Gundam Meisters Setsuna F. Seiei, Lockon Stratos, Allelujah Haptism, and Tieria Erde. These four dive into the devastating battle between the three superpowers to accomplish their goal of changing the world.
Mobile Suit Gundam 00 has finished airing and it has 25 Episodes. It is also Known as: Kidou Senshi Gundam 00, 機動戦士ガンダム00, Gundam Double O
1. Sidonia no Kishi
After destroying Earth many years ago, the alien race Gauna has been pursuing the remnants of humanity—which, having narrowly escaped, fled across the galaxy in a number of giant seed ships. In the year 3394, Nagate Tanikaze surfaces from his lifelong seclusion deep beneath the seed ship Sidonia in search of food on the upper levels, only to find himself dragged into events unfolding without his knowledge.
When the Gauna begin their assault on Sidonia, it's up to Tanikaze—with the help of his fellow soldiers and friends Shizuka Hoshijiro, Izana Shinatose, and Yuhata Midorikawa—to defend humanity's last hope for survival, and defeat their alien foes. Sidonia no Kishi follows Tanikaze as he discovers the world that has been above him his entire life, and becomes the hero Sidonia needs.
Knights of Sidonia has finished airing and it has 12 Episodes. It is also Known as: シドニアの騎士, Sidonia no Kishi
