Griffin commanded his battery during the early part of the 1862 Peninsula Campaign.

Jackson and the 5th then participated in the 1862 Peninsula Campaign.

His performance during the Peninsula Campaign earned him much respect from the army and his superiors.

He was present in action at all the regiment's battles during the Peninsula Campaign.

He was promoted to the rank of captain during the Peninsula Campaign.

These troops helped shape the theater for the Peninsula Campaign.

Afterward, he traveled with the rest of Jackson's command to the Peninsula Campaign.

The Army's organization soon proved inept in the course of the Peninsula Campaign.

The army started with four corps, but these were divided during the Peninsula Campaign to produce two more.

He led the regiment during the 1862 Peninsula Campaign.