Do all armies have the same rank structure?

Read also:

• Why did my ex-narcissist move so fast with his new supply marriage engagement moving in, etc.?
• Why did my crush like me for only two days in a row?
• Researchers raise red flag that doctors may be underprepared for devastating new disease emerging in US: 'We want to give the early warning' - Yahoo
• What should you do if a police officer comes to your house and asks for someone who doesn't live there anymore?
• How can parents identify and address early signs of racial bias in young children?
• What were the first few days, weeks, months and then years like after finding out about your spouses infidelity? How did your feelings, and yours & their approach to the situation change in the immediate aftermath compared to later down the line?
• How do I deal with autistic burnout/meltdown/shutdown when cooking?
• Why is Trump so disliked worldwide?
• What is a good investment portfolio for someone starting in their 20s? 90% VT and 10% BND for a Roth IRA then 100% TDF for a 401k?
• Why is the mainstream media, traditionally liberal except for Fox, not reporting on Trump like he's a traditional candidate who has ideas, values, and a concern for the common good?
• Is a monthly salary of 47,000 SEK before tax considered adequate for a C# .Net developer with over 7 years of experience in Sweden?
• How do you write a letter to your uncle who sent you money for your birthday outfit?
• What is the process of becoming an Evangelical preacher? Is attending seminary school necessary? How long does it typically take? Is it financially challenging?