Answer: Organic Structure
Explanation: Organic Structure may be explained as a type of organizational structure which often promotes creativity, being proactive and flexible decision making due to the unstable and dynamic nature of the work environment and problem the organization has to solve. In the scenario above, due to the risky nature of the task at hand, catapult repair crews do not posses the luxury of time to follow rigid orders, rules or follow a centralized model of problem solving. Therefore, a decentralized model is often adopted in other to afford the repair crew to use their tactical nous, experience and creative ability to approach, tackle and provide quick and quality solutions to lingering problems.