Blue Submarine No. 6 - Recommendations

Alt title: Ao no 6-gou

Blue Submarine No. 6

If you're looking for anime similar to Blue Submarine No. 6, you might like these titles.

Soriton no Akuma

Soriton no Akuma

In a near future, Kurase, an employee of an underwater drilling company, is caught amid a major disaster while waiting for his ex-wife and daughter who were about to visit him. The biggest man-made object on the planet, an inhabited artificial island named Ocean Techno Polis, is quickly destroyed by an unknown being. To rescue his child and her mother, Kurase will need to contact a Japanese submarine that was on a secret mission nearby.

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Submarine 707R

Submarine 707R

Under the threat of terrorism, the world’s navy united as the Peace Keeping Navy (PKN); and though each country contributed an atomic submarine, Japan offered only one powered by diesel – the 707, otherwise known as Snapping Turtle. During the first meeting of the navy the terrorist organization known as the USR attacks and tries to take out the Apollo-Norm aircraft carrier, but at the last minute Captain Hayami sends the 707 in the path of the torpedo. Now, with a newly-commissioned 707 and two minisubs, Captain Hayami is back at the helm – and his sights are set on taking down the USR...

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Shinkai no Kantai: Submarine 707

Shinkai no Kantai: Submarine 707

To combat the terrorist organization known as "USR", eleven countries combine their naval forces to form the Peace-Keeping Navy (PKN). However, all hell breaks loose when Admiral Red and his USR submarine UX crash the PKN's inaugural ceremony and destroy majority of the fleet. At the last minute, when the UX lands the final blow on the aircraft carrier Apollo-Norm, the obsolete Japanese submarine 707 (a.k.a. "Snapping Turtle") appears from out of nowhere and sacrifices itself to save the PKN flagship. Six months later, Captain Youhei Hayami is called back to duty to lead a new group of recruits and captain an all-new 707 in the war against terrorism underwater.

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Sensuikan Cassiopeia

Sensuikan Cassiopeia

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Tide-Line Blue

Tide-Line Blue

Fourteen years ago, an environmental disaster known as the "Hammer of Eden"” devastated the planet – taking with it six billion lives, and submerging 90% of the world underwater. In the present, the remaining countries have formed a new United Nations in hopes of peace. Gould, a submarine captain, wishes to use military force to obtain this goal, while Aoi, the secretary general of the UN, believes in the power of diplomacy. In this world, Keel and Teen are twin siblings who, through a series of events, travel separately with Gould and Aoi. Together, they seek to answer the same question: is war the only way to attain peace, or can people learn to set aside their differences and negotiate?

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Aldnoah.Zero: Extra Archives

Aldnoah.Zero: Extra Archives

A recap episode of the first season of Aldnoah.Zero.

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Full Metal Panic! The Second Raid: A Relatively Leisurely Day in the Life of a Fleet Captain

Full Metal Panic! The Second Raid: A Relatively Leisurely Day in the Life of a Fleet Captain

The always-busy Teletha, the captain Mithril's Tuatha De Dannan, finally has a day off. Instead of resting and relaxing, though, she has been tricked into getting drunk with Melissa! To make matters worse, she then wanders around half-naked and bumps into the clueless Sousuke. Struggling to remember what she did on the previous day, she must regain her memories and save her stuffed Bonta-kun at all cost!

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Mobile Suit Gundam III: Encounters in Space

Mobile Suit Gundam III: Encounters in Space

The final battle between the Earth Federation and the Principality of Zeon approaches as the White Base takes off into space, with Char's Zanzibar in hot pursuit. Amuro encounters a Newtype girl named Lalah Sune; they briefly connect, but soon Amuro discovers that she is linked to Char himself. As the war continues, Amuro realizes that the true evil that must be stopped isn't the Earth Federation or Zeon – it's the Zabi family. Amuro uses his Newtype abilities to go head to head with the Red Comet, but Char also has a mobile suit up his sleeve. Can White Base survive the final days of the war, or will the "white light" eliminate them all?

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Mobile Suit Gundam II: Soldiers of Sorrow

Mobile Suit Gundam II: Soldiers of Sorrow

In Universal Century 0079, the war between the Earth Federation and the Principality of Zeon continues to rage. The assault carrier White Base stumbles onto the mines of M'quve, however Ramba Ral and his team are pursuing them and are not giving up without a fight. Desperately, White Base continues to try to reach Jaburo, the Earth Federation headquarters, only to come across the Black Tri-Star. With no end in sight, Amuro struggles and puts his skills to the test to protect his friends from utter peril.

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Mobile Suit Gundam I

Mobile Suit Gundam I

It is Universal Century 0079, a time when the Earth Federation and the Principality of Zeon are locked in a bitter war over independence. Having just completed the prototype mobile suits known as Gundam, the space colony Green Noah finds itself under attack from the enemy – inadvertently plunging fifteen-year-old Amuro Ray into the cockpit of a Gundam. Now assigned to the new assault carrier White Base, both Amuro and other Gundam pilots must survive the vicious battles of Zeon as the war rages on. Amuro will soon see the true nature of war; will it consume him, or awaken something from within?

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