They will adjust to the field conditions that the planners cannot know about, by finding ways to jury-rig solutions when the plan starts to run into trouble. They will recognize opportunities no one expected. They should be able to understand the goals well enough to set and revise priorities, to decide when to grasp an opportunity and when to let it go. And if they complete a task before receiving more instructions, they will be able to proceed on to the next task rather than wait.