Federal workers are scrambling to make sense of the flurry of decrees issued Monday evening by President Donald Trump, parsing through emails from interim agency heads and skimming reports of lawsuits filed by unions to try to understand whether they have to report to work in person,

As the Trump administration aggressively seeks to “reduce the size of the federal government’s workforce through efficiency improvements and attrition,” as expressed in an executive order on Monday, workers in targeted positions worry their jobs are particularly at risk of being changed or eliminated.