Martin McCaulay has apparently has filed and paid 20k per filing for trademarks for
tribe
redtails
monuments
veterans
renegades
braves
freedom fighters
war hogs
rad skins
red tailed hawks
potomacs
americans
justice

i have to say the best ones are renegades or red hawks or red wolves. I think keeping red in the name maintains a tie to the past and would end up sounding similar enough to placate long time fans.