In the context of World War II, which of the following statements best describes the impact of formation flight on fuel efficiency?

A. Formation flight significantly increased fuel consumption due to the need for precise coordination among aircraft.

B. Formation flight reduced drag for the aircraft involved, allowing them to conserve fuel during long missions.

C. The use of formation flight was primarily a tactical maneuver that had little effect on fuel efficiency.

D. Formation flight was only effective for larger bombers, while smaller aircraft did not benefit from this technique.

答案解析

The question examines the understanding of formation flight's role in fuel efficiency during World War II. The correct answer is B, as formation flight allows aircraft to take advantage of upwash, reducing drag and conserving fuel. Option A is misleading because while coordination is necessary, it does not inherently increase fuel consumption. Option C overlooks the significant benefits of formation flying on fuel efficiency. Option D incorrectly generalizes the effectiveness of formation flight based on aircraft size, ignoring the benefits observed across various types of aircraft.

正确答案：B

In the context of World War II, which of the following statements best describes the impact of formation flight on fuel efficiency?

答案解析

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