china's first space laboratory tiangong 1 was lunched from the jiuquan satellite province thursday night at :16 p.m. local time. it's scheduled to dock with another unmanned spacecraft within two months. this will be the first step among a series of experiments planned by china to acquire the know-how for building a space station. premier wen jiabao observed the launch from the gansu province space center. president hu jintao watched live in bay ching. beijing. the launch will help to promote the nation's space technology at home and abroad. however, observers say that a chinese space station could add to international concern over its possible military applications. >>> in 1970, china became the world's fifth space power when it put its first satellite into orbit. its experience with weather and communications satellites helped china to commercially launch satellites for overseas clients. in the 1990s, the country announced a three-stage manned space project. the first stage was the development of a manned spacecraft. the second, now in progress, involves the launch of a space lab and t