The Department of Defense is headed by a civilian; the Secretary of Defense, who is appointed by the President of the United States. Under the Secretary of Defense, there are three military departments: The Department of the Army, the Department of the Air Force, and the Department of the Navy. 1  Each of these military departments are also headed up by civilians; the Secretary of the Army, the Secretary of the Air Force, and the Secretary of the Navy.
Melanoma is not as common as other types of skin cancer, but it's the most serious and potentially deadly. Possible signs of melanoma include a change in the appearance of a mole or pigmented area.
Skin cancer, is when the skin cells begin to abnormally grow beyond the normal boundaries of their design. Any abnormal growth of skin cells, is considered skin cancer, but only two are considered malignant. Basal cell carcinoma (BCC) is the most common form of skin cancer and is relatively harmless. Arising out of the most outermost layer of your skin, BCC will often have skin cancer symptoms such as open sores, red patches, shiny bumps, or scars.