The Antiproton Cannons (AP) are energy based weapons which fire at just under the speed of light (99 PSL). The weapons utilize a matter/antimatter reaction involving Antiprotons that hit a mass and destroy it on impact. An antiproton cannon is not effective past 4 Light Seconds (1,200,000 km /745,000 Miles).
Cross [OC]: Andromeda. Andromeda, do you read me? Come in.
Beka: Let's hope they're friends.
Dylan: Well, if they're not, we'll roast them with the AP cannon.