By Dana Priest THE WASHINGTON POSTMonday, December 14, 1998 Trencin, Slovakia — When the Slovak army wanted to create an elite rapid deployment battalion last year, an officer on the general staff walked down the stairs of the Soviet-era military headquarters here and into the office of three U.S. military advisers. Yes, the Americans said, they would arrange for soldiers from the United States to show Slovak field commanders how to organize the unit. No, they said, they would not equip it with U.S. sniper rifles. Although U.S. foreign policymakers kept the Slovak government at arm’s length for several years to show displeasure with the slow pace of democratic reforms, the U.S. military has been intimately involved in remaking the 42,000-strong Slovak army. In twos and threes, hundreds of American officers have come each year to help the Soviet-trained force shrink to an affordable size, decentralize decision-making, accept a rational budget...