The term 'ROCKET TYPE' can be broken down into two crossword solutions: RETRO (5 letters) and AGENA (5 letters). RETRO is a term used to describe something that is old-fashioned or out of date. It is often used to describe fashion, music, or other cultural trends. AGENA is a type of rocket engine developed by the United States in the 1960s. It was used in the Apollo program and other space exploration missions.