This LATimes piece maintains that Iraq commanders favor applying the advisory effort underway at the end of the Vietnam war.
"…an influx of military advisors and a speeded-up handover to indigenous forces followed by a gradual U.S. withdrawal."
It might well work, as it almost did in Vietnam–unless an impatient Congress and president pull the plug on funding, as happened in 1975.
THE TEXAS SCRIBBLER 