Navy (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">navy</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for fleet that I've seen before include "collection of aircraft" , "Quick of foot" , "Group of vehicles operating together, ships say" , "Swift; group of ships" , "Swift like naval force" .)
(Other definitions for seals that I've seen before include "Fastens or closes securely" , "they're impressive" , "Makes waterproof" , "They make an impression" , "Marine mammals" .)