unit

In South Africa, where one in five adults lives with HIV, a Wits University research unit oversaw the rollout as part of an initiative funded by Unitaid, the United Nations health agency.

"I am thinking of setting up a new unit with my son for fattening calves," he says.

Its military has evolved its higher command arrangements, experimented with new force structures and built new drone units and tactics.

He served in one of Afghanistan’s elite counterterrorism units operated by the CIA, according to AfghanEvac, a nonprofit organization that resettles Afghan nationals.

Most Americans worked in family units—the household, not the factory, was the center of production.