Why was the term of service of the Titan II heavy ICBM so short in
1.0.5] FASA 5.44 - Page 29 - KSP1 Mod Releases - Kerbal Space
SM-68 Titan, Military Wiki
File:DSP Launch Vehicles.png - Wikimedia Commons
Titan SRB description and Titan Investigation of 4D-2 34D-9
reconnaissance – The Gray Man Writes
1.8.x - 1.12.x] US Rockets (Aerobee/Vanguard/Scout/Juno II/Thor
Commercial Titan III Wikipedia audio article
Juno: New Origins Titan III Commercial IUS
The Different Variants of Titan Boosters