In the Oval Office with President Trump, Elon Musk explained how federal retirement paperwork is processed in a Pennsylvania ...

The federal government still processes retirement applications manually in a Pennsylvania limestone mine, a system Elon Musk criticized as outdated and inefficient.

Hundreds of federal workers process thousands of retirement applications every month, by hand in a converted former mine.

In the Oval Office on Tuesday, Elon Musk said the government stores and processes retirement paperwork in an old limestone ...