(redirected from Countdown Demonstration Test)
CDDTCount Down Demonstration Test
CDDTCountdown Demonstration Test (NASA)
CDDTCreate Direct Deposit Tape
CDDTCommon Display Development Team
CDDTCustom Debian Distributions Toolkit
CDDTConisbrough and Denaby Development Trust (UK)
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References in periodicals archive ?
As part of the Terminal Countdown Demonstration Test (TCDT), the astronauts are driven to Kennedy's Launch Pad 39A and then are strapped into space shuttle Atlantis to practice the steps that will be taken on the launch day a couple of weeks from now.