 In February 2017, President Donald Trump signed into law the INSPIRE Women Act, a bill sponsored by Comstock, which compels the director of the National Aeronautics and Space Administration (NASA) to encourage women and girls to pursue an education in the science, technology, engineering, and mathematics (STEM) fields.She supported adult stem cell research.In April 2016, Comstock said she would support legislation introduced by Democrat John Delaney to overhaul the board that oversees the Washington Metropolitan Area Transit Authority, which runs Washington's Metrorail system.