Imagine Sarah. She works a normal job, gets paid on the first of the month, and her paycheck lands in her bank account before she's even had her coffee. She doesn't think about it much. The number goes up. She pays rent. The number goes down. That's the relationship.

What banks actually do with deposits

But here's the part Sarah doesn't see. The minute her paycheck hits that account, the bank doesn't put it in a vault. Banks don't really keep your money sitting there. They use it. They lend it out, invest it, move it through markets, make money on it, and as long as Sarah can withdraw what she needs, she never notices.

Some of that money goes into mortgages. Some into business loans. Some into government bonds. And some of it, a quieter slice, goes into companies that build weapons.

A quieter slice on the balance sheet

Bombs. Missiles. Fighter jet parts. Drone systems. Real things, made of metal, manufactured by companies whose shares Sarah's bank holds in funds she has never read the small print on.

Her savings, pooled with millions of other people's savings, sit on the balance sheets of banks and pension funds and asset managers who quietly own pieces of the most profitable weapons manufacturers in the world. ShareAction's review of UK auto-enrolment pension providers found that two thirds of the largest providers do not exclude controversial weapons from the default funds most savers are quietly opted into.

The companies sell those weapons to governments. The governments use them, or sell them on to other governments. And somewhere far from Sarah's kitchen, on a morning that looks like any other morning, one of those weapons lands on a building.

Inside the building there is a family. A mother making tea. A father on his phone. A child who left her schoolbag by the door. None of them have ever heard Sarah's name. None of them know about the bank, the fund, the line item buried twelve pages into a quarterly report. They just know they were home.

And then they were not.

Just the plumbing

This isn't a conspiracy. It's just the plumbing. Money moves whether you watch it or not. Banks have to put deposits to work. Pension funds need growth. The whole system runs on money being in motion, and weapons companies are some of the most reliable returns on the menu.

Almost everyone with a checking account, a savings account, or a pension has a small share in this whether they know it or not. Ordinary people, doing nothing more than getting paid, are quietly stitched into the supply chain that ends with families like the one above.

Sarah is not a bad person. She did not pull a trigger. She did not order the strike. But her money was in the room when the decision was made, and her money helped pay for the thing that fell.

Knowing is the first step

The good news is that knowing this is the first step. People can ask their banks where their money goes. They can move to institutions that screen out arms manufacturers. They can ask their pension providers for ethical options. They can refuse the comfortable lie that the money in their account is just sitting there.

Because it isn't. It never was. It is out there in the world right now, doing something.

The only question is what.

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Sources

• ShareAction (2024). Responsible Investment Performance of UK Pension Schemes. shareaction.org/research-and-resources.
• Common Wealth (2024). The Asset Manager Arsenal: How Wall Street and the City Fund the Defence Industry. common-wealth.org.