Back in 1776, he had been appointed as the senior major general of the Massachusetts militia.

In 1652 he was appointed commander of all the Massachusetts militia.

Andrew immediately began to ready the Massachusetts militia for duty.

At the beginning of the war, he served as a private with the 6th Massachusetts Militia.

He served as a general in the Massachusetts militia.

After the war, he was awarded the rank of colonel in the Massachusetts militia.

He served as adjutant general of the Massachusetts Militia from 1834 to 1943.

He served as brigade major in the Massachusetts militia for sixteen years, and was a justice of the peace in 1793.

Although a senior officer in the Massachusetts militia at the start of the war, Pomeroy had a limited role.

He served as captain of Massachusetts Militia in 1857.