What is a better way of saying Happy Veterans day?

People often tell my husband to have a Happy Veterans Day. I’ve even seen it in fliers for sales.
What is Happy about Veterans Day?

I feel people go around saying Happy Veterans Day without realizing it is a day to reflect on the effects of war and to remember those who sacrifice their lives for their nation.
People don’t go around saying Happy Dead Day, and yet that is what Happy Memorial Day is basically saying.