Related Rule
United States of America
Practice Relating to Rule 100. Fair Trial Guarantees
Section F. Trial without undue delay
The US Field Manual (1956) reproduces Article 103 of the 1949 Geneva Convention III and Article 71 of the 1949 Geneva Convention IV. 
United States, Field Manual 27-10, The Law of Land Warfare, US Department of the Army, 18 July 1956, as modified by Change No. 1, 15 July 1976, §§ 179 and 441.
The US Military Commissions Act (2006), passed by Congress following the Supreme Court’s decision in Hamdan v. Rumsfeld in 2006, amends Title 10 of the United States Code as follows:
§ 948b. Military commissions generally
“(a) PURPOSE.—This chapter establishes procedures governing the use of military commissions to try alien unlawful enemy combatants engaged in hostilities against the United States for violations of the law of war and other offenses triable by military commission.
“(b) AUTHORITY FOR MILITARY COMMISSIONS UNDER THIS CHAPTER.—The President is authorized to establish military commissions under this chapter for offenses triable by military commission as provided in this chapter.
“(c) CONSTRUCTION OF PROVISIONS.—The procedures for military commissions set forth in this chapter are based upon the procedures for trial by general courts-martial under chapter 47 of this title (the Uniform Code of Military Justice). Chapter 47 of this title does not, by its terms, apply to trial by military commission except as specifically provided in this chapter. The judicial construction and application of that chapter are not binding on military commissions established under this chapter.
“(d) INAPPLICABILITY OF CERTAIN PROVISIONS.—
“(1) The following provisions of this title shall not apply to trial by military commission under this chapter:
“(A) Section 810 (article 10 of the Uniform Code of Military Justice), relating to speedy trial, including any rule of courts-martial relating to speedy trial. 
United States, Military Commissions Act, 2006, Public Law 109-366, Chapter 47A of Title 10 of the United States Code, 17 October 2006, p. 120 Stat. 2602, § 948b(a)–(d)(A).