Bomber
A bomber was a type of military aircraft designed to drop bombs onto ground targets, as opposed to military aircraft that are designed to engage other aircraft.

The Stuka, used by the Germans during World War II, was designed to be a dive-bomber. 

In an alternate timeline, the Na'kuhl outfitted Stukas with plasma cannons and used them as fighters despite their design. ()

In the mirror universe, the B-1B Lancer was a bomber used in that universe's history. ()

Bombers were used in World War III, and at least some were able to use atomic weapons.  Indiana was attacked by such bombers during the war. ()

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Earth vehicles
Military