  This paper presents an overview of the Milky Way and nearby galaxies science
case for the \textit{Single Aperture Large Telescope for Universe Studies}
(SALTUS) far-infrared NASA probe-class mission concept. SALTUS offers enormous
gains in spatial resolution and spectral sensitivity over previous far-IR
missions, thanks to its cold ($<$40~K) 14-m primary mirror. Key Milky Way and
nearby galaxies science goals for SALTUS focus on understanding the role of
star formation in feedback in the Local Universe. In addition to this science
case, SALTUS would open a new window to to of Galactic and extragalactic
communities in the 2030s, enable fundamentally new questions to be answered,
and be a far-IR analog to the near- and mid-IR capabilities of JWST. This paper
summarizes the Milky Way and nearby galaxies science case and plans for
notional observing programs in both guaranteed and guest (open) time.
