The warthog is the nickname for the Fairchild Republic A-10
Thunderbolt II, although I wouldn't call it 'modern' for very much
longer.
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Republic Aviation Corporation made the P/F-47 Thunderbolt.
Republic was bought up by Fairchild, which changed it's name to
Fairchild/Republic. Fairchild/Republic was eventually purchased by
Grumman/Northrop.