The number of Armenians serving in the Russian frontier troops has already exceeded 50%, commander of the Russian border-guard force in Armenia, General Lieutenant Sergey Bondarev said. In his words, 40% of the Russian frontier troops in Armenia are staffed with military serving on contract and the number of Armenian servicemen is growing. "This is a unique fact when citizens of another state serve in our troops," Bondarev noted. According to a treaty, the expenses are covered equally, reported the Military-Industrial Express.