Related topics: satellite · space shuttle

Brazil flooding death toll surpasses 100

The death toll from devastating floods that have ravaged southern Brazil for days surpassed 100 on Wednesday, authorities said, as the search for dozens of missing people was interrupted by fresh storms.

Surprising insights about debris flows on Mars

The period that liquid water was present on the surface of Mars may have been shorter than previously thought. Channel landforms called gullies, previously thought to be formed exclusively by liquid water, can also be formed ...

HAARP artificial airglow may be widely visible in Alaska

Alaskans and visitors may be able to see an artificial airglow in the sky created by the High-frequency Active Auroral Research Program during a four-day research campaign that starts Saturday.

Factors related to well-being linked with EU economic growth

A new study shows that certain factors related to well-being—including household income, internet access, and air pollution levels—are associated with economic growth in European Union countries, but the precise relationships ...

Apollo 7 astronaut Walter Cunningham dead at 90

Walter Cunningham, the last surviving astronaut from the first successful crewed space mission in NASA's Apollo program, died Tuesday in Houston. He was 90.

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Air force

An air force, also known in some countries as an air army or historically an army air corps , is in the broadest sense, the national military or armed service that primarily conducts aerial warfare.

The term "air force" may also refer to a tactical air force or numbered air force, which is an operational formation within a national air force. Air forces typically consist of a combination of fighters, bombers, helicopters, transport planes and other aircraft.

Many air forces are also responsible for operations of military space, intercontinental ballistic missiles (ICBM), and communications equipment. Some air forces may command and control other air-defense assets such as antiaircraft artillery, surface-to-air missiles, or anti-ballistic missile warning networks and defensive systems.

As an organization, the air forces have what "ground support" to support the pilots and aircrew. Similar to any civilian organization, there are supporting employees who assist and/or support other employees. Pilots cannot fly the aircraft without the assistance of other personnel such as civil engineers, loadmasters, fuels, and mechanics, and additional support-oriented career field.

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