DFAS Columbus...

... is the Pentagon agency that actually pays Rotron of Woodstock for many of its contracts, for example the contracts for Israel and for the Marines mentioned in recent posts. DLAS is the Defense Finance and Accounting Service, a twig of the DoD bureaucracy. Its website tells us that Rotron is one of more than 18,500 DoD contractors sharing more than 338,000 contracts [per year, presumably].