The 16th Marine Regiment was an engineer

Engineer

An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 of the United States Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

 subordinate to the 5th Marine Division. While its subordinate battalions went to the Pacific Theater as part of the 5th Marine Division, the Regimental headquarters was disbanded while still in the United States.

Subordinate units

The regiment comprised two battalions and a headquarters and service company:

• 1st Battalion, 16th Marines, later 5th Engineer Battalion
• 2nd Battalion, 16th Marines

The 1st Battalion was an engineer battalion and the 2nd was a pioneer battalion.

See also

• History of the United States Marine Corps
  History of the United States Marine Corps
  The history of the United States Marine Corps began with the founding of the Continental Marines on November 10, 1775 to conduct ship-to-ship fighting, provide shipboard security and discipline enforcement, and assist in landing forces. Its mission evolved with changing military doctrine and...
  
  
• List of United States Marine Corps regiments
• Organization of the United States Marine Corps
  Organization of the United States Marine Corps
  The United States Marine Corps is organized within the Department of the Navy, which is led by the Secretary of the Navy . The most senior Marine officer is the Commandant of the Marine Corps, responsible for organizing, recruiting, training, and equipping the Marine Corps so that it is ready for...