Already explained it, see above.
oak leaf cluster american
One oak leaf cluster for 2 AAM.....if you only have one then there is no oak leaf...it's an oakleaf for each additional one.
The bronze oak leaf cluster represents second and subsequent entitlements of awards. The silver oak leaf cluster represents sixth, 11th, etc., entitlements or in lieu of five bronze oak leaf clusters.
do you want a list of people that won a Purple Heart with the oak leaf cluster? In Vietnam in 1967
The oak leaf cluster indicates that the decoration has been awarded a second time. Thus a bronze star with oak leaf cluster means the person won two bronze stars. Michael Montagne
The history of the oak leaf cluster is worn by military soldiers in the Army, Air Force, and Department of Defense that recognizes high achievements and awards.
Are you sure you don't mean: OIC (Officer-In-Charge). olc also means "oak leaf cluster" meaning a second award of the same medal
five oak leaf clusters equal on silver.,
a second award of the same medal....................
Pin oak
It indicates a second award.
OLC is Oak Leaf Cluster