X-ray laser

Scientific optical principle really works.

In space shuttle mode, Blast Off is armed with a powerful x-ray laser that he can fire from his nosecone.

Fiction

Marvel The Transformers comics

Although it was capable of hitting an ICBM 12,000 miles away, the effectiveness of Blast Off's x-ray laser was reduced 80% by Earth's atmosphere. Blast Off's Transformers Universe profile

While fighting the Protectobots Groove and Blades in the "Cloud-Steppes" area of the human video game Multi-World, Vortex used the suction from his rotor to draw Blades into the fire of Blast Off's x-ray laser. Afterdeath!