in that he doesn't really hold this unconstitutional position.
Then I can only assume he stated this hastily or he did so to win over neo-cons. You do not have to sell your principles or the constitution to have a strong stance on National Defense.
This stated position is fundamentally incorrect and diametrically opposed to his fathers and the liberty movement.
"Every advance first comes into being as the luxury of a few rich people, only to become, after a time, the indispensable necessity taken for granted by everyone." Mises