The Starfleet Technology Support Division (or TechSupDiv) was a branch within the United Federation of Planets Starfleet, based in San Francisco. As of 2269, it was headed by Admiral Raycheba.

After the Talin incident, Spock was transferred to the Technology Support Division. Approximately three months later, Spock tendered his resignation, which was accepted immediately by Raycheba. (TOS novel: Prime Directive)

Divisions and agencies of Starfleet
	Academy • Administration • Advanced Starship Design Bureau • Advanced Technologies • Appeals Board • Bureau of Information • Bureau of Standards • Command • Communications • Control • Corps of Engineers • Criminal Investigative Service • Cultural Affairs • Dental • Exploratory Division • Headquarters • Intelligence • Inspector General • Internal Affairs • Judge Advocate General • Marine Corps • Materiel Supply Command • Medical • Mission Operations • Operations • OSHC • Orbital Operations • Research and Development • Sector Guard • Security • Special Security Division • Science • Shipyards Operations • Stellar Imaging • Strategic Command • Tactical • Technology Assessment Directorate • Training Command