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.
Force protectionâs focus in the Air Force on both threats and hazards has. been expanded (Chapter 3). The force protection planning process to counter threats. and hazards using the risk management process has been expanded, with the addition. of a criticality assessment to the process (Chapter 4). Information describing the base. security zone and its relationship to the base boundary was added (Chapter 4).