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Of course, you'll need scientists (and housing for them) to do research. Everything from new planes and trucks to alien armour and biology can be researched over a period of time. You can also research and manufacture new technology and equipment, that will increase your impact against the enemy forces. Additional buildings require a construction cost, but also a monthly upkeep.
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By adding more of each of these structures you increase the functionality of the base adding more aircraft, housing more soldiers, and increasing the range at which UFOs can be intercepted and taken out. Within each base is a limited area that is cordoned off into square sections, where new hangers, living quarters, radar dishes, and storerooms can be built. Each base has a radar range as well as aircraft locations that will help you detect and intercept incoming UFOs and alien ships. Your location can be anywhere in the world, and in the early game it really doesn't matter where you settle. Upon the opening of the game you are presented with a map of the world and asked to choose the location of the first base, and then name it. Though it is technically not 100% finished, it is mostly complete and is largely playable with only a few features missing. The final version is set to be released in late 2013.
![xenonauts base upkeep cost xenonauts base upkeep cost](https://h50003.www5.hpe.com/digmedialib/prodimg/lowres/i00015244.png)
Note: Xenonauts is a strategic game that is still in an early development phase. Using your various combat and research resources, as well as strategic planning and modified technology, you will take on the alien threat and save the world. Under your command, a new clandestine alien resistance and fighting force known as the Xenonauts has taken over, making every possible effort to quell the invasion. Small resistance forces have failed to fight them off and casualties are rapidly climbing. It is the year 1970, and Earth has come under attack by a large alien invasion force who have no interest in peaceful negotiation.