On 14 Dec 2003 22:18:58 GMT, BUFDRVR wrote:

I'm sure you could lump those in there as well. There has to be some *formal*
convention where this is spelled out no?

I list them like this:

1st - canvas airframes
2nd - metal airframes
3rd - jet engines
4th - look-down/shoot-down radar
5th - low observables

My way gets you from the Sopwith Camel all the way to the Raptor.

-Jeff B.
yeff at erols dot com