Right now 2400 total and upgrading about 50 this year and alot less next 2011/12 things are to pickup abit. So you would need 2400 upgrades 2 years ago there was about 200 in one year don't see that again as it was too hard to organize the total amount of training. As of now there is a big back log of 777 fo's at or very near the 3 year mark and the 330 fo's that went over to the 777 will have the regd time in the next wave (2011/2012), so the in fighting will be fun to watch again.Look at 10 years and you might not be disappointed, sorry.