wayt: the burn pits were a to get rid of all of the materials that u.s. forces brought with them and all of the contractors. at the height of the war, there were more than 160,000 forces in iraq and the contractor can't was bigger than that. every single one of those people was generating trash, human waste, ammunition, it all just went into a burn pit because there was no other way to get rid of it. you would smell the smoke all over the place, you could see the fires. we have been contacted by many service members with pictures of war they serve, where there is just smoke and air, there is a haze. they go to bed at night breathing and the stuff, they wake up breathing in the stuff. at some point it triggered whenever they are experiencing. the respiratory illnesses, 187,000 service members. host: where does the recognition stand? officiale v.a.'s statement says more work needs to be done. they need to be able to scientifically connect the exposure -- the burn pit exposure to the onus is service members are now facing. there are members of congress singl