(Definition of âditchâ from the Cambridge Advanced Learner's Dictionary & Thesaurus Â© Cambridge University Press) See all translations. us â /dÉªtÊ/. âº a long, narrow, open channel dug in the ground, usually at the side of a road or field, used esp. for supplying or removing water.
For a secret clearance in a national security position, the investigation requires agents to interview people who have lived or worked with the candidate at some point in the last seven (or more) years. There are four main types of security clearances for national security positions. These are confidential, secret, top secret (TS), and sensitive compartmented information (SCI).
Individuals who require access to more sensitive information (or access to sensitive federal government sites and/or assets) because of their job will be required to sign the Security Clearance Form (TBS/SCT 330-60e). There are two levels of clearance: Secret