What the heck does the US Navy mean by "denied environment"?
“It’s important we get this vaccine, to protect each other, to ensure the readiness of the force and to operate in the denied environment this virus has created.” #SinkCOVID
#USNavy Expeditionary Combat Command Leadership Receives #COVID19 Vaccine Rightwards arrow https://go.usa.gov/xAEwj
https://twitter.com/USNavy/status/1349446123539279874