The United States Military Academy, West Point, has posted more than a thousand military campaign maps used in their course "History of the Military Art". These are organized into Atlases, such as the Korean War and the Chinese Civil War.
Officers in the United States Marine Corps face a long and rigorous selection and training process. First, Officer Candidate School, where they receive their commissions. Then The Basic School, where they are taught the credo: 'Every Marine A Rifleman.' Then, for those who choose and are selected for the infantry, the Infantry Officer's Course. With the 'front lines' of modern combat blurred at best, the United States Marine Corps will begin accepting women for the infantry in September, enrolling them in the Infantry Officer's Course. [more inside]
Never in History Have Generals Revolted Against a War Like They are About IRAQ. "I (insert name), having been appointed a (insert rank) in the U.S. Army under the conditions indicated in this document, do accept such appointment and do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic, that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter, so help me God." Unlike the enlisted folks, officers only swear an allegiance to the Constitution.