The Shanghai Cooperation Organization (SCO) will soon host its annual summit in Astana, Kazakhstan, and the group's big struggle this year will be to redefine its purpose. In recent years, the six-member organization has evolved from little more than a talk shop into a forum for active security and economic coordination. But at the upcoming summit, to be held on June 8-9, the SCO will be welcoming two more nations into its ranks: India and Pakistan. Though the new additions will open up more opportunities for cooperation, they will also shake the organization's focus as its members continue to bring different agendas to the table. Since its inception, the SCO has struggled to define itself . The organization launched in 2001 as an outgrowth of the Shanghai Five, which was founded in 1996 and comprised Russia, Kazakhstan, Kyrgyzstan, Tajikistan and China. (A name change came with the addition of Uzbekistan.