original: On October 14, United States reconnaissance observed missile bases being built in Cuba.
simplifications: On October 14, United States reconnaissance saw missile bases being built in Cuba. On October 14, US searches found missile bases being built in Cuba. On October 14, United States located missile bases being built in Cuba. The United States observed missile bases in Cuba. United States reconnaissance observed missile bases being built in Cuba. On October 14, United States military observers saw missile bases being built in Cuba. On October 14, United States reconnaissance observed missile bases. They were being built in Cuba. On October 14, the United States saw missile bases being built in Cuba. On October 14, United States observed missile bases being built in Cuba. U.S. reconnaissance observed on October 14 that missile bases were being built in Cuba.