F/A-18 HORNET総合スレ VFA-5

Block3
ttp://www.janes.com/regional_news/americas/news/idr/idr050513_1_n.shtml

Boeing engineers acknowledge that the Block 3 would not be
as stealthy as the JSF, and state that there are no plans to
change the external shape of the aircraft, but assert that
even today's aircraft has more LO technology in it
than is generally recognised.

というわけで面白いことは何も無さそうというわけで。