Looking at Black Friday alone doesn`t give the whole picture, though.
forego some airstrikes.
U.S. officials tell CNN they need an agreement on how to proceed before the system is activate.
LT. GEN. MARK HERTLING (RET.), CNN MILITARY ANALYST: I think there`s a lot more talk going on at the tactical and operational level, while the heads
of state remain bellicose but it is just upping the ante and you never know when this might happen.
STARR: Putin remains furious, also saying the U.S. knew ahead of time the location of the Russian jets but did nothing to stop the shot down. Two
U.S. military officials tell CNN the U.S. did not know.