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World War II had been over for two years and the Korean War lay three years ahead when the Air Force ended a 40-year association with the U.S. Army to become a separate service. The U.S. Air Force thus entered a new era in which airpower became firmly established as a major element of the nation's defense and one of its chief hopes for deterring war.

The Department of the Air Force was created when President Harry S Truman signed the National Security Act of 1947. It became effective Sept. 18, 1947, when Chief Justice Fred M. Vinson administered the oath of office to the first secretary of the Air Force, W. Stuart Symington, a position filled by presidential appointment.

Under the National Security Act, the functions assigned to the Army Air Force's commanding general transferred to the Department of the Air Force. The act provided for an orderly two-year transfer of these functions as well as property, personnel and records.

Later, under the Department of Defense Reorganization Act of 1958, the departments of Army, Navy and Air Force were eliminated from the chain of operational command. Commanders of unified and specified commands became responsible to the president and the secretary of defense through the Joint Chiefs of Staff. The act redefined the functions of the military departments to those of essentially organizing, training, equipping and supporting combat forces for the unified and specified commands. Each military department retained resource management of its service.

Air Force Vision
The United States Air Force will be a trusted and reliable joint partner with our sister services known for integrity in all of our activities, including supporting the joint mission first and foremost. We will provide compelling air, space, and cyber capabilities for use by the combatant commanders. We will excel as stewards of all Air Force resources in service to the American people, while providing precise and reliable Global Vigilance, Reach and Power for the nation.

Air Force Mission
The mission of the U. S. Air Force is  to fly, fight  and win ... in air, space, and cyberspace.

49th Wing - Holloman AFB, N.M. (German F-4F, MQ-1, MQ-9, T-38)

355th Fighter Wing - Davis-Monthan AFB, Ariz. (A-10C)

366th Fighter Wing - Mountain Home AFB, Idaho (F-15E)

388th Fighter Wing - Hill AFB, Utah (F-35)

432nd Wing - Creech AFB, Nev. (MQ-1B, MQ-9A, RQ-170)

552nd Air Control Wing - Tinker AFB, Okla. (E-3)

557th Weather Wing - Offutt AFB, Neb.

Direct Reporting Unit

820th Red Horse Squadron - Nellis AFB, Nev.


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Colombian Kfirs fighters train with the A-10, F-16
Always Ready to Defend! 24/7/365 🇺🇸
A true honor to work with our Partner Nation! #partnership
Check out the view from inside a Colombian Air Force refueling tanker as it performs an in-air refueling mission in the skies above Tucson, Arizona! Members of the Fuerza Aérea Colombiana are training this week at Davis-Monthan Air Force Base as they prepare for Red Flag 18-3. This week has been another great example of how the U.S. and partner nation air forces train together to accomplish shared goals. U.S. Southern Command (SOUTHCOM) Davis-Monthan Air Force Base, Arizona
Wow! What a sight to see! Fuerza Aérea Colombiana #Kfir aircraft preparing for #RedFlag 18-3! U.S. Southern Command (SOUTHCOM) Nellis Air Force Base Air Combat Command
Members of the Fuerza Aérea Colombiana are training this week at Davis-Monthan Air Force Base as they prepare for Red Flag 18-3! Check out our video from a Colombian 767 as the aircrew performs an in-air refueling of 3 Colombian Air Force Kfir fighters! U.S. Southern Command (SOUTHCOM) Davis-Monthan Air Force Base, Arizona
Volunteers from JTF-Bravo recently donated food and supplies for more than 150 Honduran families near Cane, La Paz. Service members hiked to the village carrying bags of donations to provide for the community and spent time playing soccer with the children as part of Chapel Hike 76. Our forces remain resilient and connected to our neighbors by giving back to the community. Voluntarios de nuestra organización recientemente donaron alimentos y suministros para más de 150 familias hondureñas cerca de #CaneLaPaz quienes subieron a la aldea con bolsas de donaciones para ayudar a la comunidad y compartieron su tiempo jugando fútbol con los niños, como parte de #ChapelHike76. Nuestras fuerzas siguen siendo fuertes y conectadas con nuestros vecinos al ayudar a la comunidad.
Today we said farewell to Colonel Eric Cólen Guedes, 12th Air Force (AFSOUTH) Brazilian Air Force Liaison Officer. Colonel Cólen received a Meritorious Service Medal in recognition of his work as a crucial link between 12th Air Force and the Brazilian Air Force. Our Liaison Officers play a critical role in strengthening ties between 12th Air Force and our partner nation air forces. We thank Colonel Cólen for his hard work and wish him luck as he moves on to his next assignment! U.S. Southern Command (SOUTHCOM) Força Aérea Brasileira
Check out this live shot of the Colombians training and flying here at Davis-Monthan Air Force Base
Lt. Gen. Mark Kelly, 12th Air Force (Air Forces Southern) commander met with Colombian Air Force Brig. Gen. Pablo Enrique Garcia Valencia! 🇺🇸🇨🇴🤝
The Colombian Air Force Fuerza Aérea Colombiana has sent their finest Kfir team to participate in Red Flag 18-3! 🇺🇸🇨🇴🚩🎉 U.S. Southern Command (SOUTHCOM) Nellis Air Force Base
Here's your chance to meet some of our Partner Nation Colombian Airmen! #RedFlag2018 🚩 🇺🇸🇨🇴
We’d like to give a 🔥warm 🤗 welcome to the members of the Colombian Air Force Fuerza Aérea Colombiana who arrived today at Davis-Monthan Air Force Base, Arizona! They will train with the 162nd Wing Arizona Air National Guard as they prepare for Red Flag 18-3!🚩️🇺🇸🇨🇴️ U.S. Southern Command (SOUTHCOM) Air Combat Command Nellis Air Force Base
Happy Independence Day!
Creech Air Force Base Airmen show-off the MQ-9 Reaper!
A Colombian Air Force pilot shows his enthusiasm about participating in the upcoming Red Flag 18-3! We are just as excited as him! 😁🎉🌎✈️
Wow! The F-15E Strike Eagle's train with JTACS!
The Colombian Air Force are bringing their #Kfir's to Nellis Air Force Base, Nevada for Red Flag 18-3!
Check out our video from the Conference of American Air Chiefs in Panama City, Panama! This conference brought together Air Force leaders from 19 nations in the Western Hemisphere June 18-22. The System of Cooperation Among the American Air Forces (SICOFAA), the conference’s sponsoring organization, was established in 1961 and promotes the exchange of experiences, knowledge and training among member nations to strengthen cooperative capabilities in North and South America. Senan Panamá Embajada de Estados Unidos en Panamá U.S. Southern Command (SOUTHCOM) Deputy Under Secretary of the Air Force, International Affairs Heidi Grant Fuerza Aerea Guatemalteca United States Air Force
Today we bid farewell to Colonel Kim Campbell, Commander of our 612th Theater Operations Group and 474th Air Expeditionary Group. Colonel Campbell relinquished command to Colonel Travis Ingber during a change of command ceremony at Davis-Monthan AFB, Arizona. We thank Colonel Campbell for her leadership and wish her the best of luck in her next assignment!
Please join us in honoring Tech. Sgt. John Chapman as he is awarded posthumously the #MedalofHonor. Chapman will be… https://t.co/Ba2VyU5qyI
It's our #Birthday! #ThisDayInHistory Aug. 20, 1942, 12th Air Force was activated at Bolling Field @JBABdc,… https://t.co/PHXm4FW0p0
Military Working #Dogs are #Airmen too! They participated in joint training with their humans! https://t.co/VRNwLmbO9Q
RT @ChiefPentSpox: While en route to #Santiago yesterday, #SecDef Mattis spoke with traveling journalists about his #Argentina visit. Full…
WoW! @thef35's at @HAFB fired their internal cannon for the #1st time operationally! The cannon can fire 50 rounds… https://t.co/4W91EzTqW2
@Gloesheng Thank you for the kind words!
#SecDef James N. #Mattis traveled to Brazil and met with leaders. They agreed to continue to reinforce the U.S.-Bra… https://t.co/PFngg6c77Q
Thanks to all the partner nations that participated in #PANAMAX 2018! https://t.co/Ogo0GqEdHq
@portalfab Brazilian Air Force led the Air Component in the @southcomwatch #PANAMAX exercise!… https://t.co/XlSbszbk2o
Brazil leads Air Component in PANAMAX 2018 https://t.co/0tQcCqFeo6
Airmen show off their stuff as they support the the #F35's in #CombatHammer and #CombatArcher! https://t.co/xtV78LZmIq
Today we held the closing ceremony for the Panamax 2018 exercise. Thank you to the 14 partner nations from around t… https://t.co/sQTKA85gtS
🇨🇷 Members of the Costa Rica Air Surveillance Service Servicio de Vigilancia Aérea de Costa Rica met with Aircrew F… https://t.co/KfXUe8TaOB
#PANAMAX 2018 is in full swing! Military members at Davis-Monthan Air Force Base join personnel from 21 partner nat… https://t.co/1uuQ8gLAhs
Today we bid farewell to Lt. Gen. Mark Kelly as he relinquished command of 12th Air Force (AFSOUTH). We want to tha… https://t.co/wNUjbBPChr
Major General Andrew Croft took command of 12th Air Force (Air Forces Southern) in a change of command ceremony thi… https://t.co/0nSgx9J13r
Still going strong 💪🏼! In the final days of #RedFlag 🚩18-3 the Fuerza Aérea Colombiana Colombian Air Force continu… https://t.co/8FFytMqm3X
🇨🇴General Carlos Eduardo Bueno Vargas, Fuerza Aérea Colombiana Colombian Air Force Commander traveled to #RedFlag 18-3 🚩 last week!