If Voyager and Equinox found themselves as a two-ship fleet (and all of the latter's officers dead or brigged for mass murder), you'd need your most technically proficient people aboard Equinox. And your best engineer on full-time engineer duties. Probably...
USS Voyager
Captain: Kathryn Janeway
First Officer: Tuvok (promote Ayala to head of security)
Chief Engineer: Joe Carey
USS Equinox
Captain: Chakotay
First Officer: Harry Kim (promoted to LTJG)
Chief Engineer: B'Elanna Torres
USS Voyager
Captain: Kathryn Janeway
First Officer: Tuvok (promote Ayala to head of security)
Chief Engineer: Joe Carey
USS Equinox
Captain: Chakotay
First Officer: Harry Kim (promoted to LTJG)
Chief Engineer: B'Elanna Torres