BLU-3 Pineapple

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A BLU-3 cluster bomblet at the Imperial War Museum, London.

BLU-3 Pineapple was a cluster bomblet, 360 were deployed from the CBU-2A cluster bomb. It was used extensively in the Vietnam War by American forces. It was named "Pineapple" because of its appearance.

The BLU-3/B 'Pineapple' was a fragmentation bomblet for use against personnel and unarmored targets. After release from the aerial dispenser, the bomblet was stabilized by six pop-out drag vanes. It detonated on impact, and dispersed 250 high-velocity steel pellets.


  • Length: 3.75 inches (95 mm); with vanes extended:6.7 inches (170 mm)
  • Diameter: 2.75 inches (70 mm)
  • Weight: 1.75 pounds (794 g)
  • Warhead: 0.35 pounds (160 g) Cyclotol embedded with 200 steel pellets.

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