Crossword Genius

Rocket incorporating new submarine detection system (5)

Ross

I believe the answer is:

sonar

I'm a little stuck... Click here to teach me more about this clue!

'submarine detection system' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'rocket incorporating new' is the wordplay.
'rocket' becomes 'soar'.
'incorporating' is an insertion indicator.
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'soar' enclosing 'n' is 'SONAR'.

Can you help me to learn more?

(Other definitions for sonar that I've seen before include "System to locate underwater objects" , "Echo-location system" , "System for locating underwater objects" , "location device" , "echo device" .)

I've seen this clue in The Independent.
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