Anti-Aircraft Guns
From The ReBoot Wiki
Anti-Aircraft Guns are artillery/missile launchers strategically located all over Mainframe to destroy or bring down any enemy vessels that dare fly over the city's airspace.
They were practically non-existent during the Web War, but the Viral Wars saw more gradually implemented, and by the time Daemon infected the Net were operable in almost every sub-sector. (Web World Wars) (Daemon Rising)
They are extremely efficient at destroying any enemy vessels or other such hostiles, even damaging the Guardian Armada's own sophisticated Super Computer warships. There are two main kinds of anti-aircraft guns; those that are manned by gunners, and their fully-automated counterparts sometimes referred to as 'Smart Cannons'. Binome operated anti-aircraft guns defend the Principal Office, while automated versions were placed in a variety of unsuspecting concealed locations, like underneath sidewalks, pavements, E-mail boxes and garbage bins.
Smart Cannons are fully automated and require no Binomes or Sprites to control them so once activated any vessels in the air are swiftly dealt with. Despite being widespread across the city they are amazingly accurate and can eliminate multiple targets with great efficiency.
Together with the Firewall, these weapons played a large role in the Viral Wars. Trapped behind the inverted firewall, Megabyte relied on Hexadecimal's power to penetrate the Firewall allowing his armies to spread into the city. He knew perfectly well they would encounter resistance so gambled on winning through sheer numbers by sending several dozen legions under Lieutenant Chauncy, in an all-out attack upon the Principal Office. The anti-air craft gun proved far too much for the ABCs to handle, as they were being shot out of the sky from all directions. Blast debris from a nearby carrier ricocheted past Megabyte, nearly deleting the evil virus, causing Hexadecimal to laugh hysterically at their folly. (Game Over)
However, after the Firewall was disabled they simply weren't enough to stop Megabyte from eventually seizing the Principal Office, but they contributed to the CPU war effort, preventing the virals from being totally victorious. Hexadecimal's Nulls, combined with the Anti-Air Craft guns, reduced the vast fleet of ABCs from several hundred to just 39 carriers. (Megaframe)
