What is a sonobuoy?

What is a sonobuoy?

A sonobuoy (a portmanteau of sonar and buoy) is a relatively small buoy (typically 13 cm or 5 in, in diameter and 91 cm or 3 ft long) expendable sonar system that is dropped/ejected from aircraft or ships conducting anti-submarine warfare or underwater acoustic research.

What versions of Kubernetes does sonobuoy support?

Sonobuoy officially supports the latest three minor versions of Kubernetes. In air-gapped deployments where there is no access to the public Docker registries, Sonobuoy supports running end-to-end tests with custom registries. Plugin support allows developers and operators to extend the system with additional tests.

What is sonar?

Sound Navigation And Ranging ( SONAR) was originally developed by the British—who called it ASDIC—in the waning days of World War I. At the time the only way to detect submarines was by listening for them (passive sonar), or visually by chance when they were on the surface recharging their battery banks.

When were sonobuoys invented?

These “radio-sonobuoys” were the ancestors of the sonobuoys that began to appear in the 1940s. The damage inflicted upon the Allies by German U-boats during World War II made the need for sonar a priority.

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