sentences:  BLU-116
  
  The BLU-116 is a United States Air Force bomb, designed as an enhanced bunker buster penetration weapon, designed to penetrate deep into rock or concrete and destroy hard targets.The BLU-116 is the same shape, size, and weight (1,927 lb / 874 kg) and twice the penetration as the BLU-109 penetration bomb first deployed in the 1980s.