Mission Type: Lander, Orbiter Launch Vehicle: Titan IIIE-Centaur
(TC-4 / Titan no. E-4 / Centaur D-1T) Launch Site: Cape
Canaveral, Florida, USA NASA Center: Jet Propulsion Laboratory,
Langley Research Center Spacecraft Mass: 3,527 kg 1) imaging
system 2) atmospheric water detector 3) infrared thermal mapper
1) imaging system 2) gas chromatograph mass spectrometer 4)
x-ray fluorescence 5) biological laboratory 6) weather
instrument package (temperature, pressure, wind velocity) 7)
remote sampler arm 1) retarding potential analyzer 2) upper-
atmosphere mass spectrometer Deep Space Chronicle: A Chronology
of Deep Space and Planetary Probes 1958-2000, by Asif A.
Siddiqi, NASA Monographs in Aerospace History No. 24 NSSDC
Master Catalog, http://nssdc.gsfc.nasa.gov/nmc/ Viking 1 was the
first of a pair of complex deep space probes that were designed
to reach Mars and collect evidence on the possibility (or lack
thereof) for life on Mars. Each spacecraft was composed of two
primary elements, an orbiter (2,339 kilogra