Preposition: that

• patrol: Lethal Vehicles - Gamers control menacing Battle Walkers that stalk the land and futuristic gunships that patrol the skies.

Converse of object

• fly: And an American flying gunship shot up a civilian wedding engagement party in Afghanistan, provoking outrage throughout the Islamic world.

Converse of subject

• attack: Even popping out to boil water for the coffee is to risk being attacked by helicopter gunships.

• back: Thousands of Pakistani troops, backed by helicopter gunships, have cornered the militants in the mountainous tribal region of South Waziristan.

• destroy: Debris lies scattered from a collapsed Islamic school which was destroyed by helicopter gunships in Khar.

Adjective modifier

• American: Overwhelmed Iraqi forces radioed for help, and American helicopter gunships quickly responded.

• futuristic: Lethal Vehicles - Gamers control menacing Battle Walkers that stalk the land and futuristic gunships that patrol the skies.

• own: You can even lead your men into battle riding tall in a tank or flying over the battlefield in your own gunship!

Modifies a noun

• attack: The Hamas leader was fatally wounded in a helicopter gunship attack on his car on Saturday.

• pilot: It turned out he was another Vietnam Veteran, a helicopter gunship pilot.

Noun used with modifier

• helicopter: The Hamas leader was fatally wounded in a helicopter gunship attack on his car on Saturday.