"Camp Massart" . . "*Foreign mercenaries" . "*" . "350 men" . . . . "ONUC" . . . . "ONUC victory" . . . "*Katangese Gendarmerie" . "Attack on Camp Massart" . . . . . . "3 companies" . "Attack on Camp Massart" . "State of Katanga" . . "Sweden" . . . "attack on Camp Massart" . "an attack" . . "1961-12-16" . .