1. Short title This Act may be cited as the Presumptive Benefits for War Fighters Exposed to Burn Pits and Other Toxins Act of 2020 . 2. Presumption of service connection for certain diseases associated with exposure to open burn pits and other toxins (a) In general Subchapter II of chapter 11 of title 38, United States Code, is amended by adding at the end the following new section: 1119. Presumption of service connection for certain diseases associated with exposure to open burn pits and other toxins (a) Presumption of service connection (1) For the purposes of section 1110 of this title, and subject to section 1113 of this title, a disease specified in paragraph (2) becoming manifest in a veteran described in paragraph (3) shall be considered to have been incurred in or aggravated during active military, naval, or air service, notwithstanding that there is no record of evidence of such disease during the period of such service. (2) The diseases specified in this paragraph are the following: (A) Asthma that was diagnosed after service in a country or territory listed under paragraph (4)(B). (B) Cancer of any type. (C) Chronic bronchitis. (D) Chronic obstructive pulmonary disease. (E) Constrictive bronchiolitis or obliterative bronchiolitis. (F) Emphysema. (G) Granulomatous disease. (H) Interstitial lung disease. (I) Lymphoma. (J) Pleuritis. (K) Pulmonary fibrosis. (L) Sarcoidosis. (M) Any other disease with respect to which final regulations have been prescribed under subsection (c)(3). (3) A veteran described in this paragraph is any veteran who— (A) on or after January 1, 1990— (i) served as a member of the Armed Forces in support of a military operation described in paragraph (4); and (ii) was present for 15 or more cumulative days in a country or territory listed under subparagraph (B) of that paragraph; or (B) was awarded a campaign medal in recognition of service in any of the following— (i) Operation Enduring Freedom; (ii) Operation Iraqi Freedom; (iii) Operation Nomad Shadow; (iv) Operation New Dawn