#cddt

[lonestarflight]

Gemini erector is lowered during final countdown exercises for Gemini-Titan 3 on LC-19 at Cape Canaveral, Florida.

Date: March 19, 1965

NASA ID: 65-H-406, S65-20638

[lonestarflight]

Apollo 6 Saturn V (CSM-020/LTA-2R/SA-502) on LC-39A, possibly during a Countdown Demonstration Test (CDDT).

Date: March 31, 1968.

Mike Acs's Collection: link

[lonestarflight]

Apollo 14 Saturn V (CSM-110/LM-8/SA-509) on pad at night during Countdown Demonstration Test (CDDT).

Date: January 19, 1971

NASA ID: S71-16792, S71-16796, S71-16795, S71-16789

[lonestarflight]

"Overall view of Pad B, Launch Complex 39, Kennedy Space Center, showing the Apollo 10 (CSM-106/LM-4/SA-505) space vehicle during a Countdown Demonstration Test. The Apollo 10 flight is scheduled as a lunar orbit mission. The Apollo 10 crew will be astronauts Thomas P. Stafford, commander; John W. Young, command module pilot; and Eugene A. Cernan, lunar module pilot."

Date: March 11, 1969

NASA ID: S69-27089

[lonestarflight]

SA-8 Saturn I Block II (AS-104) at LC-37B during a count down demonstration test (CDDT).

Date: May 1965

NASA ID: 107-KSC-65C-3140

[lonestarflight]

The Mobile Service Structure is moved back from Apollo 14 following a successful Countdown Demonstration Test (CDDT).

Date:January 19, 1971.

NASA ID: S71-16790, 71-H-171, KSC-71PC-69, S71-16797, S71-16798, S71-16799

[lonestarflight]

Skylab I Saturn V (SA-513) venting on Pad A Launch Complex 39 during Countdown Demonstration Test (CDDT).

Date: May 2, 1973

NASA ID: KSC-73PC-194

[lonestarflight]

Apollo 16 Saturn V (CSM-113/LM-11/SA-511) on the LC-39A pad at night during a Countdown Demonstration Test.

Date: March 29, 1972

NASA ID: KSC-72PC-0150