Friendly ice

Alternative definitions (5), class: vernacular (0)
Term: Friendly ice
Definition: From the point of view of the submariner, an ice canopy containing many large skylights or other features that permit a submarine to surface. There must be more than ten such features per 30 n mi (56 km) along the submarine's track.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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