http://www.law.cornell.edu/uscode/search/display.html?terms=insurrection&url=/uscode/html/uscode18/usc_sec_18_00002383----000-.html
TITLE 18 > PART I > CHAPTER 115 > § 2383
§ 2383. Rebellion or insurrection
Whoever incites, sets on foot, assists, or engages in any rebellion or insurrection against the authority of the United States or the laws thereof, or gives aid or comfort thereto, shall be fined under this title or imprisoned not more than ten years, or both; and shall be incapable of holding any office under the United States.
http://www4.law.cornell.edu/uscode/html/uscode18/usc_sec_18_00002331----000-.html
TITLE 18 > PART I > CHAPTER 113B > § 2331
§ 2331. Definitions
As used in this chapter—
(1) the term “international terrorism” means activities that—
(A) involve violent acts or acts dangerous to human life that are a violation of the criminal laws of the United States or of any State, or that would be a criminal violation if committed within the jurisdiction of the United States or of any State;
(B) appear to be intended—
(i) to intimidate or coerce a civilian population;
(ii) to influence the policy of a government by intimidation or coercion; or
(iii) to affect the conduct of a government by mass destruction, assassination, or kidnapping; and
(C) occur primarily outside the territorial jurisdiction of the United States, or transcend national boundaries in terms of the means by which they are accomplished, the persons they appear intended to intimidate or coerce, or the locale in which their perpetrators operate or seek asylum;
(2) the term “national of the United States” has the meaning given such term in section 101(a)(22) of the Immigration and Nationality Act;
(3) the term “person” means any individual or entity capable of holding a legal or beneficial interest in property;
(4) the term “act of war” means any act occurring in the course of—
(A) declared war;
(B) armed conflict, whether or not war has been declared, between two or more nations; or
(C) armed conflict between military forces of any origin; and
(5) the term “domestic terrorism” means activities that—
(A) involve acts dangerous to human life that are a violation of the criminal laws of the United States or of any State;
(B) appear to be intended—
(i) to intimidate or coerce a civilian population;
(ii) to influence the policy of a government by intimidation or coercion; or
(iii) to affect the conduct of a government by mass destruction, assassination, or kidnapping; and
(C) occur primarily within the territorial jurisdiction of the United States.
http://www4.law.cornell.edu/uscode/html/uscode50/usc_sec_50_00000435----000-notes.html
Ex. Ord. No. 12968. Access to Classified Information
Ex. Ord. No. 12968, Aug. 2, 1995, 60 F.R. 40245, provided:
The national interest requires that certain information be maintained in confidence through a system of classification in order to protect our citizens, our democratic institutions, and our participation within the community of nations. The unauthorized disclosure of information classified in the national interest can cause irreparable damage to the national security and loss of human life.
Security policies designed to protect classified information must ensure consistent, cost effective, and efficient protection of our Nation’s classified information, while providing fair and equitable treatment to those Americans upon whom we rely to guard our national security.
http://www.law.cornell.edu/uscode/html/uscode18/usc_sec_18_00002381----000-.html
TITLE 18 > PART I > CHAPTER 115 > § 2381
§ 2381. Treason
Whoever, owing allegiance to the United States, levies war against them or adheres to their enemies, giving them aid and comfort within the United States or elsewhere, is guilty of treason and shall suffer death, or shall be imprisoned not less than five years and fined under this title but not less than $10,000; and shall be incapable of holding any office under the United States.
http://www.law.cornell.edu/uscode/html/uscode18/usc_sec_18_00002388----000-.html
TITLE 18 > PART I > CHAPTER 115 > § 2388
§ 2388. Activities affecting armed forces during war
(a) Whoever, when the United States is at war, willfully makes or conveys false reports or false statements with intent to interfere with the operation or success of the military or naval forces of the United States or to promote the success of its enemies; or Whoever, when the United States is at war, willfully causes or attempts to cause insubordination, disloyalty, mutiny, or refusal of duty, in the military or naval forces of the United States, or willfully obstructs the recruiting or enlistment service of the United States, to the injury of the service or the United States, or attempts to do so— Shall be fined under this title or imprisoned not more than twenty years, or both.
(b) If two or more persons conspire to violate subsection (a) of this section and one or more such persons do any act to effect the object of the conspiracy, each of the parties to such conspiracy shall be punished as provided in said subsection (a).
(c) Whoever harbors or conceals any person who he knows, or has reasonable grounds to believe or suspect, has committed, or is about to commit, an offense under this section, shall be fined under this title or imprisoned not more than ten years, or both.
(d) This section shall apply within the admiralty and maritime jurisdiction of the United States, and on the high seas, as well as within the United States.
