They appear to have access to high-tech electricity/energy output vehicles in the final boss battle. There are three of these armored vehicles which are wheeled and appear to have some sort of large resonance dish on top of them. This dish fires electricity at targets but requires time to charge it.They also use a large anti-ship and/or anti-air weapon cannon which is situated on top of a bunker on a landing beach. This is presumed to be part of Astigos' defense grid.