A US strike group could contain a Nimitz-class carrier, Ticonderoga-class cruiser, Arleigh Burke-class destroyer, Los Angeles-class
attack submarine and Supply-class replenishment ship - however, this could change depending on the ships needs.
But what will be protecting the two ships is yet to be formally announced.
When asked in a written parliamentary statement in January former Defence Minister Guto Bebb kept his answer broad, saying:
“The Queen Elizabeth Class aircraft carriers will operate as part of a maritime task group that will be configured to meet the required task.
"The precise number and mix of vessels deployed will depend on the operational circumstances at the time.
"We will be able to draw from a range of modern and highly capable vessels to support the carriers, such as the Type 45 destroyers, Type 23 frigates, Astute Class submarines and, in the longer term, the Type 26 frigates."
HMS Queen Elizabeth is expected to embark on its first operational deployment in 2021.