What is a lieutenant colonel?

Career: Lieutenant Colonel

A Lieutenant Colonel is a senior field-grade military officer rank, typically just above Major and below Colonel. In most armed forces, a Lieutenant Colonel commands a battalion or regiment, which can include several hundred to over a thousand personnel. They are responsible for leading operations, managing subordinate officers, and planning missions. This rank requires significant leadership experience and a strong track record of performance. Promotion to Lieutenant Colonel is competitive and involves both time in service and demonstrated capability.