Acute bronchitis, also known as a chest cold, is short term inflammation of the bronchi of the lungs. The most common symptom is a cough. Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort.
The U.S. Army Special Operations Command is the largest of the service components that make up U.S. Special Operations Command and provides about 70 percent of the special operations personnel in Central Command's theatre.
Nevertheless, in the American system, the strategic level is usually the concern of the National Command Authorities (NCA) and the highest military commanders, the operational level is usually the concern of theater commands, and the tactical level is usually the focus of subtheater commands.orresponding to the strategic, operational, and tactical levels of war and conflict are national (grand) strategy with its national military strategy subcomponent, operational strategy, and battlefield strategy (tactics).