So, what's the difference between half-staff and half-mast? Essentially, half-staff refers to flags flown on land, like at government buildings or memorial sites, while half-mast is used for flags flown on ships or naval stations. Think of it like the difference between driving a car on land versus sailing a boat on the water - different terms for different contexts!
For example, if you're driving through Indiana on 9/11, you might notice that the flags at the state capitol building are flown at half-staff as a sign of respect and remembrance. Meanwhile, at a nearby naval station, the flags might be flown at half-mast using the same terminology. It's all about using the right language for the right setting!