Channel Island Slightly Smaller Than Jersey

This page is the CodyCross answer for the clue below from Space Exploration, Group 913, Puzzle 3 (Judith Resnik).

Question is: Channel Island Slightly Smaller Than Jersey

and the answer is: GUERNSEY

Word Meaning:

GUERNSEY — A seaman's knitted woolen sweater, similar to a jersey.

Definitions from Wiktionary.