These military intelligence departments work closely with the national intelligence agencies such as the National Security Agency and the Central Intelligence Agency, which are comprised primarily of civilians. Degrees in engineering, computer science and foreign languages can often be very useful.
What is leg bruise? A bruise, or ecchymosis, is a collection of blood in a confined area. It can form directly under the skin, within a muscle, in and around bone, or inside the body. Under the skin, a bruise may cause an area of discoloration that may change colors and spread before resolving.
1 There are two systems of veins in the leg: superficial and deep. 2  If a blood clot occurs in a deep vein (deep venous thrombosis), it causes a damming effect, and blood is trapped behind the blockage. 3  This causes redness, swelling, warmth, and pain in the affected area.4  Calf pain and swelling are common symptoms. Veins return blood from the legs to the heart. 2  There are two systems of veins in the leg: superficial and deep. 3  If a blood clot occurs in a deep vein (deep venous thrombosis), it causes a damming effect, and blood is trapped behind the blockage. 4  This causes redness, swelling, warmth, and pain in the affected area.