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 mission of the United States Air Force (USAF) is to defend the. United States through the exploitation of air and space. A major function. of the USAF is to gain and maintain control of the air and space. environment. Control of the air is a necessity in modern warfare. Air-. men have sought and gained air superiority in every major US conflict. since World War II.