Crossword Genius

Introduction of naval vessel that's more up-to-date (5)

Ross

I believe the answer is:

newer

'more up-to-date' is the definition.
(I've seen this before)

'introduction of naval vessel' is the wordplay.
'introduction of' indicates taking the first letters.
'vessel' becomes 'ewer' (ewer is a kind of vessel).
The initial letter of 'naval' is 'n'.
'n'+'ewer'='NEWER'

'that's' is the link.

(Other definitions for newer that I've seen before include "More current" , "More modern" , "More recent" , "More up-to-date" , "Fresher, not as old" .)

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