Wallops Island – The private spacecraft «Cygnus» has successfully docked with the International Space Station two minutes ahead of schedule. The US space agency Nasa confirmed this on Twitter. The unmanned freighter was launched on Wednesday from the US state of Virginia to the ISS with about 3500 kilograms of material. The freighter has loaded material for scientific experiments. “Cygnus” is to remain connected with the ISS until the end of July.