Mostly, my flying has been solo, but the preparation for it wasn't. Without my husband's help and encouragement, I could not have attempted what I have. Ours has been a contented and reasonable partnership, he with his solo jobs and I with mine. But always with work and play together, conducted under a satisfactory system of dual control.
The Center for Disease Control started out as the malaria war control board based in Atlanta. Partly because the head of Coke had some people out to his plantation, and they got infected with malaria, and partly 'cause all the military recruits were coming down and having a higher fatality rate from malaria while training than in the field.