A recommended national program in weather modification. A report to the Interdepartmental Committee for Atmospheric Sciences (NASA 1966) https://ntrs.nasa.gov/citations/19680002906 Weather modification: hearings before the Subcommittee on Communications and Power of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninetieth Congress, first session, on H.R. 9212 ... [and] H.J. Res. 688 ... October 31 and November 7, 1967. https://www.govinfo.gov/content/pkg/CHRG-90hhrg87936/pdf/CHRG-90hhrg87936.pdf Weather modification: hearings before the Subcommittee on Oceans and International Environment of the Committee on Foreign Relations, Ninety-third Congress, second session, on the need for an international agreement prohibiting the use of environmental and geophysical modification as weapons of war and briefing on department of defense weather modification activity, January 25 and March 20, 1974. https://www.govinfo.gov/content/pkg/CHRG-93shrg29544O/pdf/CHRG-93shrg29544O.pdf WEATHER MODIFICATION : PROGRAMS, PROBLEMS, POLICY, AND POTENTIAL (1978) https://ufdc.ufl.edu/AA00025909/00001/images/0 Weather as a Force Multiplier: Owning the Weather in 2025 (1996) https://ia902603.us.archive.org/1/items/WeatherAsAForceMultiplier/WeatherAsAForceMultiplier.pdf Atmospheric Aerosol Properties and Climate Impacts (2009) https://downloads.globalchange.gov/sap/sap2-3/sap2-3-final-report-all.pdf And from the US Code... 15 USC Ch. 9A: WEATHER MODIFICATION ACTIVITIES OR ATTEMPTS; REPORTING REQUIREMENT https://uscode.house.gov/view.xhtml?path=/prelim@title15/chapter9A&edition=prelim