The Caracal Battalion (33rd), named after the Caracal cat, this is a mixed battalion that includes both male and female soldiers.

Kochański took an active part in the Battle for France in a mixed battalion attached to the 4th Infantry Division (Poland).

During the Spanish Civil War, he had introduced the concept of the "mixed battalion" into his Army.

Motorized divisions had two mixed battalions (one battery of 76 mm guns, two batteries of 122 mm howitzers), totaling 8 76-mm guns.

The higher-level tactical unit was, most commonly, a mixed anti-aircraft battalion (Flak-Abteilung, gemischte).

Whittlesey commanded a mixed battalion of 554 soldiers, who advanced forward through a ravine.

In March 1942 a third mixed battalion (a battery of 76 mm and a battery of 122 mm) was added, which brought the number of 76 mm guns to 12.

As a compromise, seven all-women reserve battalions were formed, but these were gradually converted into mixed battalions.

Following Operation Blue Star, the then COAS, General Arun S. Vaidya, wanted to have more mixed battalions.

These mixed battalions came to be known as Vaidya's Battalions.