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  2. National Visa Center - Wikipedia

    en.wikipedia.org/wiki/National_Visa_Center

    The National Visa Center (NVC) is a center that is part of the U.S. Department of State that plays the role of holding United States immigrant visa petitions (as well as Form I-129F petitions for K-1/K-3 visas) approved by the United States Citizenship and Immigration Services until an immigrant visa number becomes available for the petition, at which point it arranges for the visa applicant(s ...

  3. Form I-129 - Wikipedia

    en.wikipedia.org/wiki/Form_I-129

    Form I-129, Petition for a Nonimmigrant Worker is a form submitted to the United States Citizenship and Immigration Services used by employers or prospective employers to obtain (or amend the details of) a worker on a nonimmigrant visa status.

  4. Notice of Intent to Revoke - Wikipedia

    en.wikipedia.org/wiki/Notice_of_Intent_to_Revoke

    A Notice of Intent to Revoke (NOIR) is a communication sent by the United States Citizenship and Immigration Services to a petitioner about a previously approved petition, telling him or her that the USCIS intends to revoke the petition, along with the reasons for revocation, and giving the petitioner a fixed amount of time to respond. [1]

  5. Legal Immigration Family Equity Act - Wikipedia

    en.wikipedia.org/wiki/Legal_Immigration_Family...

    The Legal Immigration Family Equity Act of 2000, also known as the LIFE Act and as the Legal Immigration and Family Equity Act, along with its Amendments, made some changes to laws surrounding immigration for family members of United States citizens and Lawful Permanent Residents, as well as people eligible for employment-based immigrant visas, in the direction of making it easier for family ...

  6. K-1 visa - Wikipedia

    en.wikipedia.org/wiki/K-1_visa

    The K visa category was established in 1970, during U.S. involvement in the Vietnam War. [3] The U.S. military required that Vietnamese citizens who wished to marry a U.S. soldier obtain both an exit visa from the Vietnamese authorities and an immigrant visa from the U.S. Embassy.

  7. Form I-130 - Wikipedia

    en.wikipedia.org/wiki/Form_I-130

    Form I-130, Petition for Alien Relative, 2015. Form I-130, Petition for Alien Relative is a form submitted to the United States Citizenship and Immigration Services (or, in the rare case of Direct Consular Filing, to a US consulate or embassy abroad) by a United States citizen or Lawful Permanent Resident petitioning for an immediate or close relative (who is not currently a United States ...

  8. Mean sojourn time - Wikipedia

    en.wikipedia.org/wiki/Mean_sojourn_time

    The mean sojourn time (or sometimes mean waiting time) for an object in a dynamical system is the amount of time an object is expected to spend in a system before leaving the system permanently. This concept is widely used in various fields, including physics, chemistry, and stochastic processes, to study the behavior of systems over time.

  9. SINCGARS - Wikipedia

    en.wikipedia.org/wiki/SINCGARS

    The SINCGARS operates on any of 2320 channels between 30 and 88 megahertz (MHz) with a channel separation of 25 kilohertz (kHz). It accepts either digital or analog inputs and superimposes the signal onto a radio frequency (RF) carrier wave. In FH mode, the input changes frequency about 100 times per second over portions of the tactical VHF-FM ...