Nemesis

The Kradin aircraft are Harrier Jump Jets modified with CGI.

Chakotay says that, where he's from, they always resolve their differences peacefully, then goes on to acknowledge his Maquis career, which is the exact opposite of that.

Correction: Chakotay never said his people always resolve their differences peacefully. He said they always TRY to resolve their differences peacefully, only using violence as a last resort.