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 a chemical element with the symbol Sn (for Latin: stannum) and atomic number 50. It is a main group metal in group 14 of the periodic table.Tin shows a chemical similarity to both neighboring group-14 elements, germanium and lead, and has two possible oxidation states, +2 and the slightly more stable +4.in is a malleable, ductile and highly crystalline silvery-white metal. When a bar of tin is bent, a crackling sound known as the tin cry can be heard due to the twinning of the crystals. Tin melts at a low temperature of about 232 Â°C (450 Â°F), which is further reduced to 177.3 Â°C (351.1 Â°F) for 11 nm particles.