Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"? Do you know the "Seven Sons of National Defense" and the "Seven Sons of Ordnance Industry"?