In addition, there are many other terms that are used in the military, such as D-Day, H-Hour, A-Day, L-Day, and X-Day. These terms are used to indicate the day, time, and hour of an operation or the day on which an invasion is to be launched. 

For example, for an operation, the same D-Day, H-Hour, A-Day, L-Day, and X-Day apply for all units participating in it. In addition, there are many other terms that have a specific meaning in the military, such as Battle of Leyte, Battle of Okinawa, etc. These terms are used to indicate battles and wars.