Pollock attended Company Officers' Course and following his graduation in November 1922, he was assigned to the Marine Barracks Parris Island, South Carolina.

At the beginning of August 1934, Pollock was transferred to the cruiser USS Salt Lake City, where he assumed command of the Marine detachment aboard.

During June 1936, Pollock was assigned to the Marine barracks at Naval Ammunition Depot St. Julien's Creek, Virginia and spent there one year of duty, before he was ordered to the Philadelphia Navy Yard, where he was appointed as officer in charge of the Publicity Bureau.

Pollock left his command post and advanced through severe enemy mortar and machine-gun fire to a position in the front line, where he directed the defense of his forces for next twelve hours.

[1] His Navy Cross citation states in part:[5] "When the troops under his command were subjected to a powerful and determined surprise attack at the Tenaru River, Lieutenant-Colonel Pollock, immediately leaving his Command Post, advanced through severe enemy mortar and machine-gun fire to a position in the front line, and while thus constantly exposed to extreme danger, directed the defense of our forces for a period of twelve hours.

Pollock joined 4th Marine Division under his old superior, Major General Clifton B. Cates in December 1944 and was appointed operations officer.

He served in that capacity during the Battle of Iwo Jima in February 1945 and received Bronze Star with Combat "V" for his merits and also second Navy Presidential Unit Citation.

Pollock left Quantico in August 1956 to assume duty the following month at Camp H. M. Smith as Commanding General, Fleet Marine Force, Pacific, Honolulu, T.H.

Following this assignment, he served as Commanding General, Fleet Marine Force, Atlantic, Norfolk, Virginia, from December 1957 until his retirement on 1 November 1959.

The bridge leading to the main gate at the Marine Corps Recruit Depot Parris Island, South Carolina is named the General Edwin Pollock Causeway.

[6] A complete list of the general's medals and decorations include:[5] This article incorporates public domain material from websites or documents of the United States Marine Corps.