Do all armies have the same rank structure?

Read also:

• What do you do when your family doesn’t care about you?
• What are the reasons for people being banned from social media sites like Twitter and Instagram? Why is it considered a big deal?
• Hello I am 17 year old boy and I am interested in transgender why?
• 2 killed and 32 injured after a bridge collapses at a tourist destination in western India - NBC News
• Why can’t the British eat or drink anything unless they place a table cloth on the table first?
• Red Dead Redemption 2's PS5 Version Could Be Announced Next Week - Push Square
• How can I stop overthinking and take action more quickly?
• If people in the UK hate Trump so much, why does he own golf courses there?
• Why are people so rude to debt collector’s? I am one and I am so tired of being mistreated. We are under paid and then have to deal with the most ungrateful, and disrespectful people. We aren’t customer service. Don’t get mad at us because YOU owe.
• What can you do if someone makes a false accusation against you?
• Why are people with borderline personality disorder so capable of ripping someone apart with their words?
• To a flat Earther, what's wrong with the idea that gravity is simply a force inherent to space which operates only in one dimension? Why do they go further and try to deny gravity rather than just saying it's different than physicists claim?
• How will Israelis respond to someone claiming that anti-Zionism is not anti-Semitism, in the same way as anti-feminism not being misogyny and opposing same-sex marriage not being homophobia?