Two B-25 Mitchells thread through smoke and falling parachute-retarded bombs during the strike on Dagua airfield, New Guinea. Small parachutes visible in mid-air slowed the fall of parafragmentation bombs, reducing the risk that ricocheting ordnance would strike following aircraft -- a critical safety innovation for the daring low-altitude strafing missions flown by Fifth Air Force B-25 groups. Project: 218560