It's hard to say if he wants to actually investigate them or just remove funds from going to pmcs and just send it to the military

• Massive, massive waste in procurement. A revolving door between the Pentagon and massive “defense” contractors. Widespread consolidation, encouraged by deliberate government policy, to the point where competition has virtually disappeared in many vital areas. This is the legacy of several decades of disastrous mismanagement and profiteering at the highest level of the American military. 

• We need to take the funds currently paying for mansions in Virginia and Maryland for defense contractors, and reinvest them into closing the massive shipbuilding gap.

• I’ve seen under the hood. I know exactly how much money is wasted, and where. Send me to Washington and I will work tirelessly to rebuild the American military.

https://www.grahamforsenate.com/platform

Given that he hasn’t posted his titty with today’s newspaper, and hasn’t once made anti imperialism (even against private corps) part of his platform, I’d err on the side of no. Open to change ofc but