  The Astro2020 report outlines numerous recommendations that could
significantly advance technosignature science. Technosignatures refer to any
observable manifestations of extraterrestrial technology, and the search for
technosignatures is part of the continuum of the astrobiological search for
biosignatures. The search for technosignatures is directly relevant to the
"World and Suns in Context" theme and "Pathways to Habitable Worlds" program in
the Astro2020 report. The relevance of technosignatures was explicitly
mentioned in "E1 Report of the Panel on Exoplanets, Astrobiology, and the Solar
System," which stated that "life's global impacts on a planet's atmosphere,
surface, and temporal behavior may therefore manifest as potentially detectable
exoplanet biosignatures, or technosignatures" and that potential
technosignatures, much like biosignatures, must be carefully analyzed to
mitigate false positives. The connection of technosignatures to this high-level
theme and program can be emphasized, as the report makes clear the purpose is
to address the question "Are we alone?" This question is also presented in the
Explore Science 2020-2024 plan as a driver of NASA's mission.
  This white paper summarizes the potential technosignature opportunities
within the recommendations of the Astro2020 report, should they be implemented
by funding agencies. The objective of this paper is to demonstrate the
relevance of technosignature science to a wide range of missions and urge the
scientific community to include the search for technosignatures as part of the
stated science justifications for the large and medium programs that include
the Infrared/Optical/Ultraviolet space telescope, Extremely Large Telescopes,
probe-class far-infrared and X-ray missions, and various facilities in radio
astronomy.
