Frank request

This time we are looking on the crossword clue for: Frank request.
it’s A 13 letters crossword puzzle definition. See the possibilities below.

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Possible Answers: MUSTARD, SAUERKRAUT.

Last seen on: – Crossword – Aug 11 2018

Random information on the term “MUSTARD”:

HTHL: Horizontal takeoff, horizontal landing
VTHL: Vertical takeoff, horizontal landing
VTVL: Vertical takeoff, vertical landing
SSTO: Single-stage-to-orbit
TSTO: Two-stage-to-orbit
LEO: Low Earth orbit

List of space launch system designs covers designs and concepts for rockets and other vehicles for sending payloads into space.

This is a list of plans, concepts, and/or proposals for launch systems such as rockets and reusable spaceplanes, typically for orbiting the Earth. Plans may mature into an actual launch system, or may not be developed.

MUSTARD on Wikipedia