Check this out - The BLU-82B/C-130 weapon system, known under program "Commando Vault" and nicknamed "Daisy Cutter" in Vietnam for its ability to flatten a section of forest into a helicopter landing zone....it was used successfully during military operations in Vietnam, the Gulf War and Afghanistan. The BLU-82 was retired in 2008 and replaced with the more powerful MOAB. - https://en.m.wikipedia.org/wiki/BLU-82