UNITED STATES NAVY SEA AIR LAND TEAMS (SEAL)

SEAL teams are the United States special operations marine commandos.  Their duties include specialist underwater demolition and nay form of waterside reconnaissance.  Having landed from sea or river bank they will make deep penetration into enemy territory to sabotage or ambush enemy units behind their own line. 

SEAL teams were outstandingly successful in Vietnam and have been used since in Grenada, Panama and in the Gulf War.

SEAL personnel are trained in diving techniques and high and low altitude.  There are two naval special warfare groups in the United States navy, each group has two SEAL teams and three Special Boat Units together with support vessels and attack helicopters.  There are also further sealed platoons guarding US naval installations around the world.  A SEAL team consists of approximately 180 officers and men divided into five sections.