XR219 - This may point to an important rule:
When all responses to an RFP are ugly, it's probably a requirement problem.
See...
The Fleet Shadowers
AMST (YC-14/15)
LARA (if you think the OV-10's ugly, you should see some of the losers)
US Army Request for Data R40-C (XP-54/55/56)
... and so on.