Category:Titan IIIB

**Titan IIIB**
	model of Titan III launch vehicle
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Instance of	rocket model;
Subclass of	Titan III;
Country of origin	United States of America;
Has part(s)	LGM-25C Titan II (1); Agena D (1);
Manufacturer	Glenn L. Martin Company;
First flight	29 July 1966;
Service entry	1966;
Service retirement	3 June 1969;
Mass	156,540 kg (gross weight);
Diameter	3.05 m;
Height	45 m;
Capital cost	24,940,000 United States dollar (1985);
Authority file
	Q1187387;
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English: Titan IIIB Titan IIIB was the collective name for a number of derivatives of the Titan II ICBM and Titan III launch vehicle, modified by the addition of an Agena upper stage. It consisted of four separate rockets. The Titan 23B was a basic Titan II with an Agena upper stage, and the Titan 24B was the same concept, but using the slightly enlarged Titan IIIM rocket as the base. The Titan 33B was a Titan 23B with the Agena (which had a smaller diameter than the Titan) enclosed in an enlarged fairing, in order to allow larger payloads to be launched. The final member of the Titan IIIB family was the Titan 34B which was a Titan 24B with the larger fairing used on the Titan 33B.