What aspect of preparation is emphasized for deep diving?

Comprehensive planning is crucial for deep diving as it encompasses multiple factors necessary for a successful dive. Effective planning involves understanding the dive site's conditions, setting goals for the dive, determining the necessary logistical arrangements, and assessing the overall risks involved. It includes creating a dive plan that specifies the depth, duration, and route of the dive while also considering contingencies for emergencies.

Moreover, comprehensive planning ensures that divers are aware of their limitations, have considered dive tables or computers for no-decompression limits, and have arranged for adequate support on the surface or recovery procedures in case of an emergency. By emphasizing thorough preparation through planning, divers can significantly enhance their safety, enjoyment, and success during deep dives.

While other aspects like physical training, safety equipment checks, and environmental awareness are important, they typically fall under the broader umbrella of comprehensive planning, which integrates them into a cohesive strategy for deep diving.