Considering Iceland's strategic position, which had also been noted in WW2, meant the Soviets had to invade the base air at Keflavík and secure the island, but would still face the risk of a counterstrike by the UK's Royal Navy, until the U.S. Marines could arrived and joined the battle along side the small American garrison force. The volcanic Iceland has many geysers, including Geysir, from which the English word is for the geological entity derived; and thus widespread availability of geothermal power. There are rivers and waterfalls that can be for hydroelectricity.