Moscow: Russian Defence Minister Sergei Shoigu said on Wednesday Russia was prepared to improve ties with the Pentagon , but warned this could not happen if the United States seeks to cooperate from a "position of strength ," news agency TASS reported.

"We are ready to resume cooperation with the Pentagon , but attempts to build a dialogue with Russia from a position of strength would be futile," Shoigu was quoted as saying. "We expect clarification on the position of the Pentagon ."