The term 'LOCKHEED PRODUCT' can be summarized as a JET aircraft manufactured by the Lockheed Corporation. The crossword solution for this term is 'JET', which is an acronym for 'JET Engine Transport'. Lockheed is an American aerospace, defense, security and advanced technologies company that has been in operation since 1912. They have produced some of the most iconic aircraft in history, such as the SR-71 Blackbird and the F-22 Raptor.