fire brigade vs squadron

fire brigade

noun
  • A trained unit that can be rapidly deployed to deal with any difficult situation. 

  • A group of people within a corporation or industrial site, organized for the purpose of putting out fires, usually in addition to their normal job. 

  • An organization, often part of a local government, whose purpose is preventing and putting out fires. 

squadron

noun
  • A spaceforce unit; multiple squadrons make up an operations delta or a support garrison. 

  • A tactical air force unit; consists of at least two flights; multiple squadrons make up a group or wing (depending on particular air force). 

  • A body of infantrymen made up of several platoons, averaging from eighty to one hundred and fifty men, and led by a captain or a major. 

  • A detachment of vessels employed on any particular service or station, under the command of the senior officer 

  • A body of cavalry comprising two companies or troops, averaging from one hundred and twenty to two hundred soldiers. 

verb
  • To divide up into squadrons. 

How often have the words fire brigade and squadron occurred in a corpus of books? (source: Google Ngram Viewer )