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tokens: The authors thank David Rodriguez for leading the Cycle 1 ALMA proposal to observe HD 32297, Ian Czekala for helpful discussions regarding the HD 32297 gas detection, Gaspard Duchêne for helpful discussions regarding the inclination of HD 32297, and the anonymous referee for comments that improved the clarity of the manuscript. M.A.M. acknowledges support from a National Science Foundation Astronomy and Astrophysics Postdoctoral Fellowship under award No. AST-1701406. A.M.H. acknowledges support from NSF grant AST-1412647. This paper makes use of the following ALMA data: ADS/JAO.ALMA #2015.1.00633.S and #2012.1.00437.S. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada) and NSC and ASIAA (Taiwan) and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO, and NAOJ. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. This work has also made use of data from the European Space Agency (ESA) mission Gaia ( https://www.cosmos.esa.int/gaia ), processed by the Gaia Data Processing and Analysis Consortium (DPAC; https://www.cosmos.esa.int/web/gaia/dpac/consortium ). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreements.