A carrier group costs around $7 million per day including upfront investment and operating costs [0]. Military high explosive costs around $100/kg, or $2m for a bomb this size. [1]

So, somewhat surprisingly to me, this operation was not just a rounding error in the daily budget.

[0] https://web.archive.org/web/20140813034340/http://www.cnas.o...

[1] https://newatlas.com/cl-20-high-power-military-explosive/240...