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  2. List of major commands of the United States Air Force

    en.wikipedia.org/wiki/List_of_major_commands_of...

    A major command (MAJCOM) represents a major Air Force subdivision having a specific portion of the Air Force mission. Each MAJCOM is directly subordinate to Headquarters, Air Force. MAJCOMs are interrelated and complementary, providing offensive, defensive, and support elements. An operational command consists (in whole or in part) of strategic ...

  3. Deep water culture - Wikipedia

    en.wikipedia.org/wiki/Deep_water_culture

    An example of deep water culture in lettuce production. Deep water culture (DWC) is a hydroponic method of plant production by means of suspending the plant roots in a solution of nutrient-rich, oxygenated water. Also known as deep flow technique (DFT), floating raft technology (FRT), or raceway, this method uses a rectangular tank less than ...

  4. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    The various hydroponic media available, such as expanded clay and coconut husk, contain more air space than more traditional potting mixes, delivering increased oxygen to the roots, which is important in epiphytic plants such as orchids and bromeliads, whose roots are exposed to the air in nature. Additional advantages of passive hydroponics ...

  5. Ukrainian Air Force - Wikipedia

    en.wikipedia.org/wiki/Ukrainian_Air_Force

    The role of the Air Force is to protect the air space of Ukraine. The objectives are: obtaining operational air superiority, delivering air strikes against enemy units and facilities, covering troops against enemy air strikes, providing air support to the Ukrainian Ground Forces, Marine Corps and the Navy in wartime operations and peacetime exercises, disrupting enemy military movements on the ...

  6. Air Education and Training Command - Wikipedia

    en.wikipedia.org/wiki/Air_Education_and_Training...

    The Air Education and Training Command (AETC) is one of the nine Major Commands (MAJCOM) of the United States Air Force (USAF), reporting to Headquarters, United States Air Force. It was established 1 July 1993, with the realignment of Air Training Command and Air University. AETC is headquartered at Randolph Air Force Base, Joint Base San ...

  7. Organizational structure of the United States Department of ...

    en.wikipedia.org/wiki/Organizational_structure...

    The Pentagon, headquarters of the United States Department of Defense.. The United States Department of Defense (DoD) has a complex organizational structure.It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency ...

  8. Air Training Command - Wikipedia

    en.wikipedia.org/wiki/Air_Training_Command

    The Air Training Command (ATC) is a former United States Air Force (USAF) Major Command designation. It was headquartered at Randolph Air Force Base, Texas, but was initially formed at Barksdale Air Force Base, Louisiana. It was re-designated as Air Education and Training Command (AETC) following a merger with Air University (AU) on 1 July 1993.

  9. Structure of the United States Air Force - Wikipedia

    en.wikipedia.org/wiki/Structure_of_the_United...

    (a) Establishment of Command.— The Secretary of the Air Force, with the advice and assistance of the Chief of Staff of the Air Force, shall establish an Air Force Reserve Command. The Air Force Reserve Command shall be operated as a separate command of the Air Force. (b) Commander.— The Chief of Air Force Reserve is the Commander of the Air ...