Myocarditis can be caused by a variety of infections and conditions such as viruses, sarcoidosis, and immune diseases (such as systemic lupus, etc.), pregnancy, and others. The most common cause of myocarditis is infection of the heart muscle by a virus.The virus invades the heart muscle to cause local inflammation.he most common cause of myocarditis is infection of the heart muscle by a virus. The virus invades the heart muscle to cause local inflammation.
The onboard electronics are hardened to protect against an electromagnetic pulse, and Air Force One is equipped with advanced secure communications equipment, allowing the aircraft to function as a mobile command center in the event of an attack on the United States.
The Air National Guard was made an official component of the U.S. Air Force in 1947, following the great aerial battles of World War II. Like the Air Force Reserve, the Air National Guard is made up of Citizen Airmen who train part time, close to home, until called upon for duty.hese professionals serve both the federal and state governments â assisting their communities and helping the U.S. Air Force guard America's skies. Today the Air National Guard is an essential component of the U.S. Air Force.