how much do retired military make per month
Pay Grades. An Army major is classified as pay grade O-4. If he retired in 2015 after 20 years, he received 50 percent of his basic pay of $7,430.10, or $3,715.05 per month. At the other extreme, a 4-star general with pay grade O-10 and 40 years service got 100 percent of his basic pay of $19,762.50 per month. These are the initial retirement amounts.