Which preposition to use with militaire

for Occurrences 1%

In an hour the sedate and the older took leave; the governor and the procureur turned into the Cercle Militaire for whist or écarté and a glass of wine, the carriages withdrew, and the band's airs and manner of playing took on a new freedom and abandon.

from Occurrences 1%

But the Colonel needs no prompting, straight rises to address them, And his eye now flames in fury, and now twinkles like a star; And he turned on Mr. PARNELL'S men, and didn't rightly bless them, This flashing, dashing, slashing militaire from North Armagh.

in Occurrences 1%

He perceived X., his old schoolfellow at the Ecole Militaire in 1830, with whom he was on intimate terms.

Which preposition to use with  militaire