During the Cold War, the government briefly considered a plan to mark a bunch of extra-large condoms as "medium" and airdrop them in the Soviet Union, to make the men there think their junk was considerably smaller than American men's.
Source: https://www.mentalfloss.com/article/30880/11-things-you-didn%E2%80%99t-know-about-america%E2%80%99s-spymasters