Gimlet (rocket) the seeming success, however, the Gimlet was already becoming obsolete; guided missiles were now considered to be the wave of the future. Production of Gimlet was cancelled in early 1957, after production of 15,000 rockets; that October, the T-Gimlet version was cancelled as well. Although the missile age meant that Gimlet did not enter operational service, the production processes developed for the rocket would be modified and used in the production of the AIM-9 Sidewinder air-to-air missile. Gimlet (rocket) The Gimlet was an unguided air-to-air and air-to-surface rocket developed by the United States Navy during the early 1950s. Although it
Letter board Letter board A letter board may refer to two devices. A letter board or letter sign, also known as marquee, is a customizable form of signage that employs individually movable letters of the alphabet. They are used by, "e.g.", movie theaters to list the current roster of films, churches to display the titles of sermons, and other buildings, people, and institutions whose signs are required to change on a regular basis. Letter board also may refer to aid tool, used by people with disabilities, to communicate with others, by pointing letters on board with written on it letters (whole alphabet),