  We show that the Ruelle zeta function of any smooth Axiom A flow with
orientable stable/unstable spaces has a meromorphic continuation to the entire
complex plane. The proof uses the meromorphic continuation result of
[arXiv:1410.5516] together with the work of Conley-Easton and
[arXiv:1711.10059] which imply that every basic hyperbolic set can be put into
the framework of [arXiv:1410.5516].
