The Davy Crocket

Info (from wikipedia)

The M-28 or M-29 Davy Crockett Weapon System was the tactical nuclear recoilless gun (smoothbore) for firing the M-388 nuclear projectile that was deployed by the United States during the Cold War. It was the first and at the time was the utmost important project assigned to the United States Army Weapon Command in Rock Island, IL.[2] It was one of the smallest nuclear weapon systems ever built, with a yield between 10 and 20 tons TNT equivalent (40–80 gigajoules). It is named after American folk hero, soldier, and congressman Davy Crockett.

Instructions:
VTOL for horizontal movement
TRIM for vertical movement

If you aim at the beast from wright airport and then put the trim to about 95% then you will kill the beast and the destroyers.