AOKS

All systems go signals

• Affirmative responses

• Approvals

• Ardent affirmatives

• Astronaut affirmatives

• Astronaut's thumbs-ups

• Astronauts' responses

• Green lights in space, so to speak

• Houston affirmatives

• Informal approvals

• NASA affirmatives

• NASA approvals

• NASA go-aheads

• NASA green lights

• NASA nods

• NASA responses

• Space-age affirmatives

• Thumbs-up replies

• Thumbs-up responses