Not sure if it's the same in all branches but Army regs specifically say that you have to hold the salute until it's returned, or for six paces after passing the person/thing you're saluting. Saluting things is also not unheard of, for example when you pass the American flag.

The effects on health outcomes from this administration's policies (both from the VA and HHS) are just starting. Buckle up, kids, a lot of people are going to suffer and die.