Crucially, there is currently no US aircraft carrier strike force in the region. US forcesRegardless of Trump’s bellicose language, the US currently does not have a US aircraft carrier strike force deployed in the Middle East. That would leave a US guided-missile destroyer, the USS Donald Cook, which is in the Mediterranean, available for any missile strikes on Syria. Another possibility is that missiles could be launched from US submarines, the locations of which are a tightly guarded secret. That leaves unaccounted for a frigate armed with Kalibr cruise missiles, a patrol boat and rescue tug and the second submarine.

Source: The Guardian April 12, 2018 13:37 UTC