UN Department of Peace Operations

Carlos Moisés Guillén Alfaro, a 46-year-old pilot from El Salvador, was the first UN peacekeeper to die from Covid-19, according to UN officials. But his death certificate cites no cause of death, and other major questions about his medical treatment in Mali, where he was based, prevail from his family. Here, he’s on an earlier flight near the Comalapa air base in El Salvador. PHOTOS COURTESY OF THE GUILLÉN FAMILY

Maj. Gen. Cheryl Pearce of Australia has been the force commander of the  UN peacekeeping force in Cyprus since 2018. The authors argue that powerful Western nations need to let the UN Secretariat choose the leaders of peacekeeping posts rather than exert their own preferences. LOEY FELIPE/UN PHOTO