社会保险号 社会保险号，简称 SSN，是一个出生时分配给美国公民的独一无二的 9 位数字。非美国国土安全部 (DHS) 授权在美国工作的公民也必须有 ...

長尾鯊號（英語：Thresher，編號：SSN-593）是美国海军该级核动力攻击潜艇的首舰。她是美国海军第二艘以长尾鲨命名的潜艇。 1963年4月10日，长尾鲨号在深潜测试中沉没，地点位于马萨诸塞州科德角以东350公里（220英里），船上129名船员和造船厂人员全部罹难。

Summary and Key Points: The USS Thresher (SSN-593) sank in April 1963, becoming the first nuclear-powered submarine lost at sea. -This tragedy, which killed 129 people, highlighted the inherent ...

Summary and Key Points: The USS Thresher (SSN-593), a U.S. Navy nuclear-powered attack submarine, sank in April 1963 during deep-diving tests off the coast of Massachusetts, resulting in the loss ...

The Social Security Number (“SSN”) is a personalized number used by the U.S. government to monitor wages, earnings and tax payments. Since U.S. citizens are eligible for this number at birth, it is ...

At a cost of $3 billion per unit, the Seawolf class was the most expensive SSN submarine. The Virginia class was put into production in full swing due to being smaller and carrying more manageable ...

A Social Security number (SSN) is a nine-digit personal identification number issued by the U.S. Social Security Administration that is used in applying for employment and filing taxes. SSNs are ...

The term Social Security number (SSN) refers to a numerical identifier assigned to U.S. citizens and other residents to track income and determine benefits. The SSN was created in 1936 as part of ...

U.S. federal law requires all individuals employed in the U.S. to have a Social Security Number (SSN). SSN’s are used to identify employees and tax salaries, and are only issued for the purpose of ...

What is a Social Security number? A Social Security Number (SSN) is a unique nine-digit identification number assigned to individuals by the U.S. government for tax and other purposes. The primary ...

A Social Security number (SSN) is a lifelong nine-digit number that the U.S. government issues to eligible individuals to track income and the number of years worked. Students and scholars who are ...

If you are a recent immigrant to the U.S., an international student or another noncitizen and don't have a Social Security number (SSN), you may still be able to apply for a credit card with an ...