the foliage, but yet if i remember right they were having problems with being shot at by vietnam dr veetkong rather and that foliage may be dead but it's still there. wouldn't the use of fire or a bomb being more productive in the sense of clearing the actual landscape? >> i'll show you some pictures that will demonstrate how effective agent orange is in killing the actual trees, but yes, it was an incredibly difficult mission. i mean, these guys -- this was apparently -- or a fairly safe one because they didn't have enemies firing on them, but many of those who were charged with deploying the agent orange in this manner were of course, shot at because the enemy were along the river banks. >> so you could see it getting into the water and so how would it affect the water and the animal life and then also, kind of getting that they were being shot at, how did it affect the humans that it might have landed on? >> excellent. well, you notice they had no protective covering. the soldiers who were spraying the agent orange had no protective covering. so agent orange is a topical toxin and so you