keywords: swede esrange sweden stockholm balloons
text: NASA Picks Swede Launch Site for Giant Balloons By TOMMY GRANDELL    STOCKHOLM, Sweden (AP) -- NASA has agreed to launch its largest scientific balloons from a site in northern Sweden, a spokesman said Tuesday.    To launch them, the Swedish Space Corp., which owns Esrange, has signed a \$1.32 million contract with the Swedish construction company NCC to double the size of the present launch pad...