As Bermuda shuttered international travel and local business in response to the COVID-19 pandemic this spring, three container ships continued to deliver a critical supply of food and consumer goods to the island. One of these vessels, the Oleander, has been quietly serving the public, and the scientific community, in another important way for several decades —as a volunteer “ship of opportunity” that acquires important ocean measurements during its weekly voyages between Bermuda and the United States.