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The Helix turns into a Chinese Air Ambulance which is able to repair and provide medical attention to friendly units in the vicinity, as well as providing a small boost in firing rate to simulate providing additional ammunition. This cost $500. Twin Gattling guns supplement the Helix's default weapon that made quick work of light vehicles and infantry, it can also reveal stealth units and buildings, suiting it to Search and Destroy missions. This cost $1200. This is best used for clearing enemy units and those out of range of base defenses, giving a respite to the base before delivering the new troops. Infantry being transported in the Helix may fire from within it. Only one may be applied to any single Helix at a time. The following upgrades are purchased for each individual Helix. The Helix doesn't fire its Gattling Cannon while dropping the bomb (it will use its standard machine gun, though). Unless ordered to do something else, it will keep bombing the same spot with nuke bombs. The Helix drops a nuke bomb into the designated area. A Helix dropping its napalm or nuclear bomb General Shin Fai had his forces develop a more specialized model called the Assault Helix, that can be loaded with up to eight infantry who can fire at the enemy below, clear a safe landing zone, land, and attack the enemy. The Helix could be upgraded in multiple ways accordingly to the role desired. Unlike the Overlord, the Helix could be constructed without a Propaganda Center, enabling it to be deployed earlier in any conflict. Slow moving and heavily armoured for an airborne unit, the Helix was truly comparable to the Overlord Tank, and was so large that it could even transport a single example of the enormous tanks. The Helix was by default equipped with a basic machine gun/chaingun similar to the USA Comanche's but was able to transport 5 infantry units, a single Construction Dozer, or a single combat vehicle (with the exception of Troop Crawlers, Listening Outposts, or Nuke Cannons) and two infantries.
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Dubbed the "Overlord of the skies", it also provided a means of transport to fly in units more quickly to the front lines.
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The Helix was developed to withstand a durable amount of anti-air fire and have the speed and flexible firepower needed to harass and destroy the hunted. By then the GLA would have retreated too far ahead for a second run. The MiG fighters compensated to some degree but could only pursue so far before returning to rearm. The GLA would be able to outgun China's faster yet light armoured units such as the Gattling Tank and outrun China's heavier assault tanks. China's reliance on raw firepower on the ground meant that they lacked speed to pursue the retreating GLA.
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