John Kennedy actually said...
And I hope that the people of this country and all those who look to this country for their independence know how indebted they must be to those of you who serve--the officers and men--and it's a great satisfaction for me to be able to report that President Thomas Jefferson's command has been very successfully carried out.
Context
Remarks at the Evening Parade following an Inspection of the Marine Barracks.
07/11/1962