CBU-75 explained

The CBU-75 Sadeye was a United States cluster bomb used during the Vietnam War. It could hold 1,800 1lb BLU-26 anti-personnel bomblets, each containing 0.7lb of explosives with impact or time delay fuzes that would produce around 600 fragments.^{[1] [2]}

References

1. http://www.globalsecurity.org/military/systems/munitions/cbu-75.htm CBU-75 Sadeye - Dumb Bombs
2. http://www.fas.org/man/dod-101/sys/dumb/cbu-75.htm CBU-75 Sadeye - Dumb Bombs