The most accurate synonym for designation in the passage is TITLE. Position, indicator, and denomination are the incorrect answers.
The word "designation" in the passage above refers to a distinctive title, distinguishing mark, or name (Cape Canaveral Missile Test Annex, or CCMTA). Hence, the most accurate synonym for this word is title. The word "designate" has several meanings, including:
In the passage about Cape Canaveral, the use of the word "designate" is to name. Therefore, the most accurate synonyms for this word are title, label, nominate, name, entitle, etc.
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