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The Ridgeback Squadron, officially the 19th Tactical Fighter Squadron "Ridgebacks"[1], was an elite fighter squadron from the Ace Combat Infinity universe.


The Ridgebacks were formed in the 21st century by the United Nations following the Ulysses Disaster, with the aim of having elite pilots put a quick end to terrorist threats around the world.[2] The unit, led by a man named Slash, pilots a special variant of the ASF-X Shinden II as its primary aircraft. They became known through mercenary networks such as Arrows Air Defense and Security.[3]

In May 2019, the Ridgebacks were tasked to work with the Bone Arrow Squadron to rescue the Greymen from a terrorist cell in Iyuli[3], and later fought with them during Operation Crusher to destroy Stonehenge Type-3 in Turkey.[4] They later assisted Bone Arrow in ending the threat to Tokyo during Operation Override.[5]




  1. エースコンバット 震電 II “リッジバックス隊”
  2. Twitter / PROJECT ACES
  3. 3.0 3.1 Rescue, Ace Combat Infinity.
  4. Stonehenge, Ace Combat Infinity.
  5. Far Eastern Front, Ace Combat Infinity.
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