The word 'squadron' is戦隊 (sentai) in Japanese.
The noun 'squadron' is a singular, common, concrete noun; a word for a military group; a word for a thing.The noun 'squadron' is a standard collective noun for:a squadron of aeroplanesa squadron of cavalrya squadron of fighter planesa squadron of flying fisha squadron of jetsa squadron of planesa squadron of shipsa squadron of swan
Sqn
Yes, Commodore Perry's squadron.
Primarily in Europe; although Japanese Naval units did pursue German Admiral Graf Spee's cruiser squadron in the Pacific, as he retreated towards South America.
Not as a common noun, but if you mentioned the Thunderbird Squadron, yes.
operational whether squadron
Yes, the noun 'squadron' is a collective noun for:a squadron of cavalrya squadron of planesa squadron of fighter planesa squadron of jetsa squadron of swans
This is not a Japanese word.
Japanese does not have a word for "it."
Abbi does not appear to be a Japanese word.
squadron Flotilla, Squadron......
Yes, "squadron" contains a digraph. The "qu" in squadron is a digraph because the letters work together to produce a single sound, rather than each letter making its own sound.