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.
For other uses, see Tin (disambiguation). Tin is a chemical element with symbol Sn (for Latin: stannum) and atomic number 50. It is a post-transition metal in group 14 of the periodic table. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide, SnO2.