The family of systems that will replace the canceled EPX program will include a variety of unmanned systems that are already a part of the Navy's program of record, most of which will be fielded around 2019, according to a service document posted online in April. The EPX aircraft was officially canceled in 2009, and earlier this year Vice Adm. David Dorsett, head of the N2/N6 information dominance directorate, said the sea service was still working out a detailed plan...