asleep during a curve. a tractor trailer stuck on the tracks in california. last month a train derailed outside of the station in maine. no one was injured in that. >> the race against time to find the crew of a u.s. military helicopter gone missing. it helped earthquake victims when it vanished from radar. david joins us live on the phone. (speaking on telephone) >> the missing marine helicopter, they haven't found any trace of if. the marine corps helicopter was carrying six marines and nationals. it was helping relief efforts in the area after the q devastated them. they report hearing the pilots helicopter warning of a fuel