while the air force investigates the deadly crash of an eighth plane. one of these based in charlotte, north carolina. we expect to learn more in a news conference this afternoon. we know that four of the six crew members were killed, including this man, lieutenant colonel mike mckiel who spoke to one of our affiliates on saturday. lizzie o leary with the latest out of washington. what s the latest? reporter: latest is that they are investigating the cause of this crash while the other c-130s are grounded, grounded by the air force right now, and that essentially really diminishes the ability of the forest service to fight a lot of wildfires. the way the service does this is they use a number of different planes, but some of the big guns, as you said it, are the c-130s that are on loan from the air force as part of this fire fighting fleet. this is not the first time a c-130 has crashed, a relatively horrific crash in 2003 when essentially a c-130s wings folded up ward and