ranger assessment and selection Ranger Assessment and Selection, known as RASP, is an intense, eight-week course designed to test a Soldierâs physical and mental strength under extreme conditions. Candidates must earn the right to don the tan beret and become a member of the 75th Ranger Regiment.
And Rin Tin Tin has always been more than a dog. He was an idea and an ideal â a hero who was also a friend, a fighter who was also a caretaker, a mute genius, a companionable loner. He was one dog and many dogs, a real animal and an invented character, a pet as well as an international celebrity.
Tin is found mainly in the ore cassiterite, which is found in Malaysia, Bolivia, Indonesia, Thailand and Nigeria. It is obtained commercially by reducing the ore with coal in a reverberatory furnace. The major producers of tin are Malaysia, Thailand, Indonesia, Bolivia, Republic of Congo, Nigeria, and China. Although in a smaller scale there are also tin deposits in Australia, England, Burma, Japan, Canada, Portugal and Spain. The only tin mineral with commercial importance is the cassiterite (SnO2).