“squad / troop” in Japanese is 隊, read tai (たい). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 軍隊 (army / troops).
What does 隊 mean?
けいさつの隊が来た。
Same sound, different character — the classic trap. Compare them side by side: