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First Lieutenant

nounverified·updated May 18, 2026

a commissioned officer in the Army or Air Force or Marines ranking above a 2nd lieutenant and below a captain

MWE

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
First Lieutenants
possessive
First Lieutenant's
pluralpossessive
First Lieutenants'