More Missions:
     Before clicking on "Single Mission" hold down Alt, Ctrl and Shift
on the right hand side of the keyboard.....You will be able to fly all
the  Single  Missions  from  the three previous Jane's games (USNF'97,
ATF, Nato fighters).

More Planes:
     Before  clicking on "Quick Mission" hold down Alt, Ctrl and Shift
on  the  right  hand  side of the keyboard, before doing all this make
sure  the  "Fly  All" option is off. Keep on holding it down while you
are  choosing your plane until you click on "OK"...you will be able to
choose all the choppers and two other creature type of planes.