RTX, formerly Raytheon, has the same revenue and net income as PepsiCo. PepsiCo has a higher profit margin.

Most of these companies are public and you can find their stats.

A Tomahawk missile is $3.6 million because it uses specialty components, all made in small batches using very expensive American specialist labor. It's also staggeringly more capable than a drone, or a shahed. Those extra capabilities are enormously expensive, because they are hyper niche.

A single American Artillery Shell is $3000.

Meanwhile, your $150k surgery bill example is completely different. It's a fake number, made up to cause a process to generate an actual, intended price somewhere. Your insurer and the hospital play some insane game of chicken where the insurance promises only to pay a percentage of what they are billed and so the hospital submits a fake number to get what they actually want (or nowadays the system is even more byzantine)