Originally Posted by
Cazalet33
Yup. That's the colour, jRaven.
The shape shifted a bit, but not much.
The drill was based on Pongo stuff. Though the army limit of three steps sidewards escaped the new drill manual, so we got got our unfortunate nickname.
I understood it was due to the grease applied to the exposed ferrous parts of embarked aircraft being known by the sailors as 'crabfat'.
Both credible stories.