Cannonical

There was a roar that shook the blast shields. The line moved forward.

"Just let me at 'em," said the thin-faced man ahead of Kapp. He adjusted his conical metal helmet. "These guys are chaff. I'm armor-piercing."

Kapp leaned over and peered ahead. The massive cannon stretched up and out, poking its barrel through a port in the dome. The next man clambered into the chamber, ushered by the General himself. Coordinates were called. The cannon creaked as it was adjusted.

"Let me at 'em," the man repeated. "I'm ready. Ready."

Kapp closed his eyes as the hammer came down.