Which of the following is a limitation of air operations?

A limitation of air operations is indeed the lack of detailed reconnaissance. Effective air operations often rely on accurate and comprehensive intelligence to inform decision-making, target identification, and mission planning. When there is insufficient reconnaissance data, pilots and commanders may struggle to assess enemy positions, understand the battlefield environment, and identify critical targets. This gap in information can lead to misjudgments or ineffective engagement of enemy forces, diminishing the overall effectiveness of the air operation.

In contrast, the other options present advantages or neutral factors rather than limitations. An unlimited fuel supply is not typically a characteristic of air operations, as fuel availability can significantly affect mission range and endurance. Enhanced troop morale tends to be a beneficial outcome of successful air support, boosting the confidence and effectiveness of ground forces. Near-instant communication is generally a strength of air operations, providing real-time coordination and situational awareness, which are crucial for mission success. Thus, the lack of detailed reconnaissance stands out clearly as a significant limitation in the realm of air operations.