Cryptonym: TPFAST
https://www.archives.gov/files/iwg/declassified-records/rg-263-cia-records/second-release-lexicon.pdf
CIA document: Research Aid: Cryptonyms and Terms in Declassified CIA Files Nazi War Crimes and Japanese Imperial Government Records Disclosure Acts: Page 55: ..."Term: TPFAST. Definition: LCHARVEST (TPFAST, TPTERRY, VLVIGOR) involved operations against Peoples Republic of China (PRC) scientists and efforts to monitor PRC state technology..."
104-10194-10019: CIA OP FILES ON THOMAS CASASIN
Fitness Report: Reporting Period: 1 April 1970 to 31 March 1971: ..."SPECIFIC DUTIES...SPECIFIC DUTY NO. 2: Uses (REDACTION) to gain access to MHHARSH (USSR) personnel and spot leads on eventual access and support-type assets directed against the local MHHARSH and TPFAST targets. RATING LETTER: S (for Strong). SPECIFIC DUTY NO. 3: Develops and assesses MHHARSH officials with whom he has made contact as well as access prospects to the local MHHARSH and TPFAST targets. P (for Proficient)..."
104-10165-10087: CIA FILE ON VIRINIUS FRANK COE.
12/14/71: Telepouch from Chief of Base, San Francisco to Chief, Domestic Ops (Info: Chief, China Ops): Subject: ISOLOG TPFAST - Robert S. Coe, PHD: "TNIS records ISOLOG telecoms of week 6 Dec re subject, who Professor Geology University of California at Santa Cruz and reportedly made 10 week trip to China circa July 71 to visit 'ill father.' (Not clear if subject name anglicized version of original Chinese name or what). Via university chancellor, WODISH (Domestic Contact Service) attempt's make contact with subject circa October to debrief re trip but subject rebuffed. WODISH later heard from casual source that subject had been contacted by someone prior China trip claiming be JKLANCE (CIA) who tried 'badger' subject into cooperation. Basis your advise that there no HQs record any JKLANCE interest aside from record WODISH clearance action, WODISH is going to try to get to bottom of incident and find out who contacted subject as JKLANCE. Will advise outcome. (REDACTION)."
104-10165-10087: CIA FILE ON VIRINIUS FRANK COE.
Probably 12/15/71: Dispatch from Acting Chief of Base, San Francisco to Chief, FE Division (Info: Chief, CO Division): Subject: ISOLOG TPFAST Dr. Robert S. Coe: "Ref: USFA-6217 dated 14 December 1971 (handwritten: 201-196934). Attached herewith is a copy of DCS Memorandum SF 68-72 reporting the results of contact with Professor Aaron C. Waters of the University of California at Santa Cruz concerning the individual and organization which contacted Santa Cruz in early summer 1971 with reference to the travel to China of Dr. Robert Coe. As will be seen, this contact did not resolve the issue, however, from the details given, it appears possible that the contacting organization was LNERGO (FBI). (REDACTION)."