Definition of field-grade officer in English:

field-grade officer

Syllabification: field-grade of·fi·cer

noun

Military
A major, lieutenant colonel, or colonel.
More example sentences
  • Lieutenants in Gulf War I are now field-grade officers; colonels are now 3- and 4-star generals; most soldiers who fought in Gulf War I are no longer on active duty.
  • Institutional training, from noncommissioned officer to field-grade officer levels, will need to incorporate the roles of the respective levels in using modularity.
  • Repetitive call-ups have developed them into fully competent citizen-soldiers, at least to field-grade officers and NCOs.

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Word of the day ween
Pronunciation: wēn
verb
be of the opinion; think or suppose