Lieutenant

Lieutenant (abbreviated Lt, LT) is a commissioned officer rank in many nations' military. It is typically the most senior of junior officer ranks.

United States Army
In the U.S. Army, U.S. Marine Corps, and U.S. Air Force, a first lieutenant is a junior commissioned officer. It is just above the rank of second lieutenant and just below the rank of captain. It is equivalent to the rank of lieutenant (junior grade) in the other uniformed services.

Promotion to first lieutenant is governed by Department of Defense policies derived from the Defense Officer Personnel Management Act of 1980. DOPMA guidelines suggest all "fully qualified" officers should be promoted to first lieutenant. A second lieutenant (grade O-1) is usually promoted to first lieutenant (grade O-2) after 18 months in the Army or 24 months in the Marine Corps and Air Force. The difference between the two ranks is slight, primarily being experience and a higher pay grade.

First Lieutenants typically lead platoons (numbers between 16, 20, 40 or 50 soldiers).

United States Navy
A navy lieutenant ranks higher than an army lieutenant; the navy rank of lieutenant is a NATO OF-2 (US grade O-3) and ranks with an army captain.

Notable Lieutenants

 * Lieutenant Green - United States Army (O-2)
 * Lieutenant Jamison - United States Navy (O-3)
 * Lieutenant Moore - United States Army (O-2)
 * Lieutenant Ramirez - United States Army (O-2)
 * Lieutenant Sachs - United States Army (O-2)