WASHINGTON For Pentagon officers who cut their teeth during the Cold War, the prospect of U.S. battlefield cooperation with Russia in Syria is not only uncomfortable. It's also unprecedented.
Against that background, the reactions of U.S. military officials range from caution to outright skepticism over a Geneva-based "joint integration center" that may soon bring together American and Russian militaries to discuss shared targets for the first time since World War Two.
17:50 Over 100 Al Qaeda fighters killed in 'major' US air strike in Syria, defense official says12
13:42 Russia says Snowden can stay till 202012
10:48 Russia takes parting shots at Obama, looks forward to Trump administration26
08:00 Lavrov: Russia invites Trump officials to Syria talks19