I would suspect you might already have these, but a start for anyone else interested in the "Strategic Corporal". These were near at hand - will post some others here and in the SWJ Reference Library soonest.

"The Strategic Corporal: Leadership in the Three Block War"
(The Krulak article I mentioned)

The Strategic Corporal and the Emerging Battlefield
(James Szepesy. Tufts University Masters' Thesis, March 2005)

The Strategic Corporal: Requirements in Training & Education
(Major Lynda Liddy - Australia - 2005)

Strategic Scouts for Strategic Corporals
(Major Major Ron Sargent, U.S. Army - 2005)

Small Unit Leadership in Future Security and Stability Operations
(Col. Michael Bohn, USMC - 2004)