in an area determined by the Secretary of Defense to be of immediate military hazard, or (III) in the Philippine Islands on December 7, 1941, and continuously in such islands thereafter, or (iii) at any time, for the purposes of chapter 13 of this title (38 U.S.C.S. § 1301 et seq.); (D) Service as a cadet at the United States Military, Air Force, or Coast Guard Academy, or as a midshipman at the United States Naval Academy; and (E) Authorized travel to or from such duty or service. (Definitions. 2006. 38 U.S.C. § 101.)

Active duty for training—(A) Full-time duty in the Armed Forces performed by Reserves for training purposes; (B) Full-time duty for training purposes performed as a commissioned officer of the Reserve Corps of the Public Health Service (i) on or after July 29, 1945, or (ii) before that date under circumstances affording entitlement to “full military benefits,” or (iii) at any time, for the purposes of chapter 13 of this title (38 U.S.C.S. § 1301 et seq.); (C) In the case of members of the National Guard or Air National Guard of any State, full-time duty under section 316, 502, 503, 504, or 505 of title 32 (32 U.S.C.S. § 316, 502, 503, 504, or 505), or the prior corresponding provisions of law; and (D) Duty performed by a member of a Senior Reserve Officers’ Training Corps program when ordered to such duty for the purpose of training or a practice cruise under chapter 103 of title 10 (10 U.S.C.S. § 2101 et seq.) for a period of not less than four weeks and which must be completed by the member before the member is commissioned; and (E) Authorized travel to or from such duty. The term does not include duty performed as a temporary member of the Coast Guard Reserve. (Definitions. 2006. 38 U.S.C. § 101.)

Active military, naval, or air service—(A) Active duty; (B) any period of active duty for training during which the individual concerned was disabled or died from a disease or injury incurred or aggravated in line of duty; and (C) Any period of inactive duty training during which the individual concerned was disabled or died—(i) from an injury incurred or aggravated in line of duty; or (ii) from an acute myocardial infarction, a cardiac arrest, or a cerebrovascular accident occurring during such training. (Definitions. 2006. 38 U.S.C. § 101.)

Acute myelogenous leukemia (AML)—A form of leukemia characterized by an uncontrolled proliferation of myelopoietic cells in the bone marrow and in extramedullary sites, and the presence of large numbers of immature and mature granulocytic forms in various tissues (and organs) and in the circulating blood.

Acute nonlymphocytic leukemia (ANLL)—Any of several forms of myelogenous leukemia marked by an abnormal increase in the number of immature white blood cells; risk of disease is increased among people who have been exposed to massive doses of radiation.