style="text-indent: 2em; "The Air Force structure is a bit of a mix of the Army and Marine Corps structures. The elements of command might change based on the type of unit, but the basic elements remain constant.
style="text-indent: 2em; "Operational and administrative — an interactive look at the Navy's organizational structure.
Unleash Your Inner Airman! Test Your Air Force History Knowledge
从柏林空运等人道主义任务到指挥波斯尼亚、韩国和伊拉克上空，空军一直是美国维护全球安全能力的重要组成部分。志存高远，飞翔，战斗并赢得胜利，获得 100% 的分数！
Unleash Your Inner Airman! Test Your Air Force History Knowledge
style="text-indent: 2em; "From humanitarian missions like the Berlin Airlift to commanding the skies over Bosnia, Korea and Iraq, the Air Force has been a vital part of the U.S.'s ability to maintain global security. Aim high and fly, fight and win your way to a 100% score!
style="text-indent: 2em; "From fire team to Marine Corps — an interactive look at the Marine Corps' organizational structure.
USS New York: A City on the Sea
style="text-indent: 2em; "With a simple and powerful motto, the Navy's USS New York demonstrates military might and is a symbol that the world will "Never Forget" the 9/11 attacks.
Floods, Tornadoes, Hurricanes! Are You Prepared?
style="text-indent: 2em; "Do you know what to do when disaster strikes?
Four-Legged Troops: Test Your Military Dog Knowledge
军用工作犬曾被称为“战犬”，在军队的各个部门服役，负责侦察、侦查和保护。你对这些四足军人了解多少？
Four-Legged Troops: Test Your Military Dog Knowledge
style="text-indent: 2em; "Once known as ''war dogs,'' military working dogs serve in all branches of the military to scout, detect and protect. How much do you know about these four-legged service members?
style="text-indent: 2em; "See how much you know about the largest amphibious assault in history, a turning point for the U.S. and Allied forces in World War II.
