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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Helmets for G. I.'s. 7 letters:

PACKERS: NFL team with "G" helmets
TINHATS: Helmets for G. I.'s.
TINHAT: G. I. helmet.
LINER: Inner part of a G. I. helmet.