US has now adopted much more effective strategy. Its blockade of Iranian ports and for striking Its using less expensive weapons. All those footages hitting radars and launchers are done by either drones or LGBs.
Also US does not look like to slowing down the tempo this time. Its relentless and sustained campaign to neutralize targets this time around.
On other hand, how many BMs are remaining with Iran is a big question mark. KSA also seems to get involved. NATO could be joining this time around. They already started to provide air refueling.