Possibly. It's not like the military-industrial complex is known for it's cost-effective solutions though...
Given the manoeuvring requirements for the orbiting explosives, and the requirement to launch them with enough plausible deniability for it not to be obvious "there's a bunch of commercial satellite killers!" - I wonder if they could build and launch 60 of them for less than SpaceX paid to get the first 60 Starlink birds in orbit?