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Two Mark 36 Mod 7 Super Rapid Bloom Off-board Chaff (SRBOC) system launchers aboard the battleship USS Wisconsin (BB-64) during Operation Desert Storm.

The BAE Systems Mark 36 Super Rapid Bloom Offboard Countermeasures Chaff and Decoy Launching System (abbreviated as SRBOC or "Super-arboc") is a short-range mortar that launches chaff or infrared decoys from naval vessels to foil anti-ship missiles. Each launcher has three tubes set at a 45-degree angle, and three tubes set at a 60 degree angle, providing an effective spread of decoys and countermeasures to defeat radio frequency emitting missiles. The SRBOC can also be fitted with the TORCH infrared "flare" decoy system. A typical ship's load is 20 to 35 rounds per launcher.[citation needed]

The SRBOC is part of the combat systems of the Oliver Hazard Perry class frigate.

As of 2010, the Mark 36 SRBOC is used by 19 navies around the world. It is similar to the NATO Sea Gnat system.[citation needed][needs update]

The Flyrt radar-decoy drone was designed to be launched from the Mark 36 launcher.[citation needed]

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