Materiel, more commonly matériel in US English

Wikipedia entry on “Materiel”

Materiel comes from the French, hence the accented e (which, despite the dictionary definitions cited by Wikipedia, isn’t commonly used in practice). Do a something search for the term and you’ll get a googol¹ of results comparing the definitions of materiel and material, but nothing to help the curious engineer or budding acquisition professional understand the practical usage of the term.