Anglico was to coordinate fires from other branches, and to assist Army with naval gunfire experts. Recon was eyes and ears for tactical leaders within friendly artillery range. Force recon was for overall commanders strategic needs and beyond the umbrella.
Raiders were meant for raids on jap islands and were disbanded when that practice wasn’t needed.
What is marsoc mission? Except of course to “be special” and get to play? What can they do that a regular Marine rifle company can’t. The answer, nothing.
ANGLICO Advanced Naval Gunfire Liaison Company, Forward Observers and to direct Naval Gun Fire.
as to the rest you are correct.....