Category: Ambiguous three-letter acronyms APO refers to: Apo; Acting Pilot Officer the lowest Commissioned Officer rank in the Royal Air Force; Army Post Office, the United States armed forces postal service; Alpha Phi Omega, service fraternity existing in both the United States and the Philippines (co-ed on most campuses); Apache Point Observatory (New... A Pilot Officers sleeve/shoulder insignia Pilot Officer is the lowest commissioned rank in the Royal Air Force and the air forces of many other Commonwealth countries, ranking only above Acting Pilot Officer (or APO) and Officer Cadet. ... In military organizations, a commissioned officer is a member of the service who derives authority directly from a sovereign power, and as such holds a commission from that power. ... Military rank, or simply rank, is a system of grading seniority and command within military organizations. ... The Royal Air Force (often abbreviated to RAF) is the air force branch of the British Armed Forces. ... An army post office is a special military system to integrate the civil postal system to that of the military. ... The armed forces of the United States of America consist of the United States Army United States Navy United States Air Force United States Marine Corps United States Coast Guard Note: The United States Coast Guard has both military and law enforcement functions. ... Postbox redirects here. ... Alpha Phi Omega (commonly known as APO, but also ΑΦΩ, A-Phi-O, and A-Phi-Q) is a co-ed service fraternity organized to provide community service, leadership and social opportunities to college students. ... Community service refers to service that a person performs for the benefit of his or her local community. ... A fraternity is an organization that represents the relationship between its members as akin to brotherhood. ... Coeducation is the integrated education of men and women. ... The Apache Point Observatory is located in the Sacramento Mountains in Sunspot, New Mexico (USA) 18 miles south of Cloudcroft. ... State nickname: Land of Enchantment Official languages English and Spanish Capital Santa Fe Largest city Albuquerque Governor Bill Richardson (D) Senators Pete Domenici (R) Jeff Bingaman (D) Area  - Total  - % water Ranked 5th 315,194 km² 0. ... The American Stock Exchange (AMEX) is a stock exchange operated by American Stock Exchange LLC, a subsidiary of the National Association of Securities Dealers, in the United States of America. ... A stock symbol or ticker symbol is a shorthand code used to uniquely identify shares of a publicly-traded corporation on a particular stock market. ... The New Left is a term used in political discourse to refer to radical left-wing movements from the 1960s onwards. ... Authorized Personnel Only (APO), is a fictional black-ops branch of the CIA in the American TV series Alias. ... The CIA Seal The Central Intelligence Agency (CIA) is an American intelligence agency, responsible for obtaining and analyzing information about foreign governments, corporations, and individuals, and reporting such information to the various branches of the U.S. Government. ... Alias is an American SpyFi television series, created by J.J. Abrams. ... Autopilot Off is a North American punk rock band from Orange County, New York. ... The TLA (three-letter acronym or three-letter abbreviation) is the most popular type of abbreviation in technical terminology, and is also very common in general language. ...