Gaullism is right-wing nationalism.
Pro-labor union Democrats have often been very pro-military, pro-interventionist, were supportive of the war in Vietnam, bled support to the GOP in the Reagan years.
Basically right-nationalist, though this is changing. Is this what we're talking about with the SP?
I always thought of DeGaulle's attitude viz. Nato as the original "third way," between "east" and "west" bloc. Not easily pigeon-holed, in terms of FP, as right-wing, at least relative to the FP pursued in Washington.
Fai de bèn a Bertrand, te lou rendra en cagant
In other words they are Socialist party conservatives. I do not know if this roughly compares to the dutch example here, but I assume so.