An analysis of responses given to the 2016 Cooperative Congressional Election Study showed that 9% of the 36,000 respondents believed it was "completely true" that "...the government has a secret program that uses airplanes to put harmful chemicals into the air..." while a further 19% believed this was "somewhat true".
2016年合作国会选举研究的分析则显示，3.6万名受访者中，9%认为“政府实施秘密计划，利用飞机将有害化学品投入空中”“完全是真的”，19%认为“有点真”。