The JSF is basically maxed out prior to IOC with little margin for growth.
Originally Posted by KenV
A declaration based on data, or assumptions?
I'm pretty sure the B was at, or near, maximum specified allowable weight, with very little/no margin for growth, certainly that was the case a couple of years back and there was plenty of documentary evidence supporting that position at the time. Whether that weight issue has been resolved I don't know... I think the redesign of a major bulkhead (and possibly wing spar?) was causing much aggravation and sleepless nights for the LM weight watchers team!
-RP