"Then he took him up and showed him all the kingdoms of the world in a single instant. The devil said to him, 'I shall give to you all this power and their glory.' Jesus said to him, 'You shall worship the Lord, your God, and him alone shall you serve.'"
CCC 2239: Proper Use of Public Authority
Military hardware exists to defend the common good, not to impress celebrities. The Catechism warns that public authority becomes corrupt when it serves private interests instead of the people it was meant to protect (CCC 2239).
Reflect → When have you been tempted to use influence or resources entrusted to you for showing off rather than serving others?