(CNN) First Lt. Marina Hierl is making Marine history... again.

Now, Hierl is the first and only woman to lead an infantry platoon in the Marines.

Hierl, 24, leads about 35 men in the Third Platoon of the 4th Marines' Echo Company, Second Battalion. They are currently in Northern Australia, where they are in the middle of several months of training.

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"Leading Marines is an honor and privilege that 1st Lt. Hierl has earned through her own hard work and commitment, as do all our officers," Corps spokesman Major Brian Block told CNN in a statement.

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