Do all armies have the same rank structure?

Read also:

• If you were to bet, will Canada bend over to Trump's America demands or remain inflexible until the last day of his Presidency on January 20, 2029? Will America or Canada win this geopolitical arm-wrestling? I'm rooting for America.
• Why am I so unproductive when it's a holiday the next day?
• What would Spanish sound like if only latin and Greek words were used, like some romance analogy to anglish?
• These are the 10 open source Android apps I install on every new phone - Android Authority
• Do you think trump realizes that if he significantly decreases the size of CIA, that there is a higher chance of him being assassinated?
• Why aren't U.S. prisons more like Marine Corps boot camp, were every second of the day there are mandatory activities so that at night everyone is so tired they go to sleep until wakeup at 5:30 am? Would this make prisons safer for all?
• Which country do you recommend for me to live in, England, the USA, Italy, Spanish, or Austria?
• Has anyone been spanked by their parents after becoming an adult?
• What is the dirtiest thing you have allowed your husband to do?
• Why do liberals think same-sex marriage is alright? The Bible makes it very clear that it's not alright to be gay, why can't liberals understand that?
• What is the sluttiest thing your wife has ever done?
• Riddle: How do budget cuts, DEI hires, and empty reservoirs, turn the bluest, most Democrat city Red?