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Yes, it will nullify his security clearance if the illegal alien is from the wrong country. However, it won't change until it is time to renew his clearance.
I think you are asking about a "security clearance." There are three basic levels of security clearance: Confidential, Secret and Top Secret. Not every member of congress, nor even every member of the president's cabinet, has access to all of the government's most secret information: certain documents, such as war plans, might only be shared with a specific (and usually small) group of people who are on a congressional committee, or with the president's closest advisers on military affairs. But the president, as Commander in Chief and head of the executive branch, possesses the highest level of security clearance, since he needs total access to all information, whether classified or not, in order to do his job.
TS-SCI clearance is a grade of Security Code clearance in the US Department of Defense. TS-SCI is an abbreviation (acronyms are different) that stands for Top Secret - Sensitive Compartmented Information.
TS-SCI clearance is a grade of Security Code clearance in the US Department of Defense. TS-SCI is an abbreviation (acronyms are different) that stands for Top Secret - Sensitive Compartmented Information.
Must a foreign national in the U.S.military become a U.S. citizen before they can obtain security clearance and have access to classified information?
Yes, the military base was covered by aliens and after that, scientist studied about aliens and discover the base. Actually, Area 51 is a top secret US military base and only US citizens with top secret government security clearance can enter there. Aliens or anyone else will be shot on site if you try to get in, or so the signs posted around the site tell you.
For reasons that should be obvious such statistics are secret.
Anyone working in a classified Government or Military program is required to have an active security clearance for the level of security they're working at (Secret, Top Secret, TSC, etc.). The clearances are updated every several years by updating background investigations. However, once the person leaves that position, their clearance becomes inactive. In the military, clearances are granted and usually maintained by the member as long as they're in, as clearance levels are generally assigned to specific job types and ranks (officers generally hold TS clearances). For example, as a submariner, I was required to have a minimum Secret clearance just to be a part of the crew, but my specific job required specific instances of temporary TS clearance. When inactive, a past clearance can be reactivated (depending on the time between jobs) should a person take another job requiring one. This is why Veterans who held clearances while on active duty are typically hired by defense contractors over those who've never held one - the company only has to pay for the BI update (or nothing if it's recently been held), as opposed to a complete BI for someone whose never had one (which can take up to a year, meaning they can't be assigned to classified work).
The only records that interest the US Military for entrance are: * Social Security card * Birth Certificate * Driver's License or state ID * High School Diploma Once you have joined, dependent upon your level of security clearance, further documents may be required.
"SCIF clearance" refers to having the necessary security clearance and "need-to-know" to be present in a SCIF without it being "sanitized" prior to entry and without escort. SCIF is an acronym used by the US military to refer to a Sensitive Compartmented Information Facility. Typically access to such a facility requires a TS/SCI (top-secret special compartmented information) clearance specifically for the SCI (Sensitive Comparmented Information) being processed within the facility. SCI is not a "classification" so it is actually possible for information to be SCI but classified at the Secret or even Confidential level, although this is much less common than for Top-Secret information. SCI is based on the principle of "need-to-know" rather than the degree of damage that would occur if the information was disclosed (which is how Confidential, Secret, and Top-Secret classifications are assigned).
Yes, it is possible for non-US citizens to obtain security clearance in the United States. However, certain restrictions and additional requirements may apply, such as a need for a sponsor who is a US citizen, and the level of clearance may also be limited based on the role or access required. Each case is evaluated individually, and the decision ultimately depends on factors such as the type of work, level of trust, and national security considerations.
That is a question of national security. You will never find such a list unless you have a top secret security clearance.