Original: Commander Gilmour/General Hawk both portrayed by (Charles Napier) In the first movie Gilmour briefs Austin on his mission; in the second movie, General Hawk is an advisor to the President.
Simplified: Commander Gilmour/General Hawk (Charles Napier) - An American Army officer who appears in the first film as Commander Gilmour and in the second film as General Hawk, though there is no real distinction from the characters aside from name.