Marinder Singh was supposed to be home in Pune, India, by now. The marine engineer set sail on a chemical tanker in mid-September on what was supposed to be a four-month voyage. Early this year, as the Covid-19 pandemic began its spread, he extended his contract to mid-March, when the ship was set to dock in the United States. From there, Singh planned to fly to Pune for a few months relaxing with his family before his next voyage.But as international travel restrictions triggered waves of flight cancellations, Singh realized…
