Executive Orders | National Archives Skip to main content # Executive Orders Executive Order 11157--Prescribing regulations relating to incentive pay for hazardous duty, special pay for sea duty and duty at certain places, basic allowances for subsistence and basic allowances for quarters Source: The provisions of Executive Order 11157 of June 22, 1964, appear at 29 FR 7973, 3 CFR, 1964-1965 Comp., p. 200, unless otherwise noted. By virtue of the authority vested in me by sections 301 (a) and (f), 305(a), 402(f), and 403(g) of title 37 of the United States Code and as President of the United States and Commander in Chief of the armed forces of the United States, it is hereby ordered as follows: Part I--Incentive Pay for Hazardous Duty Section 101. For the purposes of these regulations: (a) The term "aerial flight" shall be construed to mean flight in an aircraft, glider, or spacecraft; and a flight shall be deemed to begin when the aircraft, glider, or spacecraft takes off from rest at any point of support located on the surface of the earth and to terminate when it next comes to a complete stop at a point of support located on the surface of the earth. (b) The term "aviatio