Cryptonym: SROBA
https://www.cia.gov/readingroom/docs/DOC_0000914772.pdf
09/25/53: Cable from Director to SROBA: "Arrange secure sale (REDACTION) for best price reasonably obtainable. Use same cover as for purchase. Advise HQ re terms and operational setup when established."
02/20/54: Memorandum form the Chief, Western Hemisphere Division to Deputy Director for Plans: Subject: Compromise of Cable Traffic-PBSUCCESS: ..."b. Station LINCOLN alerted headquarters at 1300 hours, 19 February 1954, by telephone and advised that a courier would arrive at headquarters at 2200 hours, 19 February 1954, with the compromised documents. LINCOLN (Note: CIA's Guatemalan covert operations headquarters, a forward base in Florida) followed the telephone call with cable 612 which indicated that fact that the compromise consisted of 5 pages of slightly paraphrased text containing all basic cryptonyms and pseudonyms applying not only to PBSUCCESS but to the Agency at large. The PBSUCCESS desk made a preliminary examination upon receipt of cable 612 (2) and determined that the compromise involved roughly six cables. It was not possible at that time, however, to determine exactly which cryptonyms had been exposed. When the courier arrived with the compromised messages, Mr. (REDACTION) of Commo was called and he and Mr. Esterline, desk officer PBSUCCESS, examined the documents together and compiled an accurate list of exposed indicators...c. The following is a list of those cryptonyms and pseudonyms which were exposed to President Somoza, (REDACTION) and an indeterminable number of others: LINCOLN (LINC); (REDACTION); (REDACTION); KUGOWN (Psychological and Paramilitary Staff); Seekford; KUFIRE (Intelligence); PBSUCCESS; Cadick (William Robertson); LUGTON; GUAT; KUHOOK (CIA Paramilitary Operations Staff); (REDACTION); Calligeris (Carlos Castillo Armas); (REDACTION); WSHOOFS (Honduras); ODYOKE (U.S. Government); SARAMAC (paramilitary training site in Nicaragua); SROBA; SCRANTON (training base for radio operators near Nicaragua); LINCOLN Security Officer; } Compromising phrases; KMFLUSH (Nicaragua); Customs at New Orleans; MT/1; Pivall; MT/3; (REDACTION..."
https://www.cia.gov/readingroom/docs/DOC_0000916328.pdf
04/18/54: Cable from LINCOLN to FJHOPEFUL: Slugline TO: SROBA: RYBAT PBSUCCESS PBCABOOSE: "This constitutes all clear to conduct two flights on 18 April using same data and procedures contained in LINC 1919 less para six."
https://www.cia.gov/readingroom/docs/DOC_0000920759.pdf
06/30/54: Cable from LINCOLN to FJHOPEFUL: Slugline TO: SROBA: RYBAT/PBSUCCESS/PBCABOOSE: REF: LINC 4548: "1. ODUNIT (U.S. Air Force) requests that P-51's and any C-124's with P-51 spares be sent back to mobile soonest. Advise ETD's and ETA's soonest with PBCABOOSE slug. 2. C-54 will be used in withdrawal phase. C-54 crew should be released with IDEN A stopping by LINC when through FJHOPEFUL (Fort Clayton, Panama)."
https://www.cia.gov/readingroom/docs/DOC_0000920371.pdf
07/04/54: Cable from LINCOLN to FJHOPEFUL: Slugline TO: SROBA: RYBAT/PBSUCCESS/PBCABOOSE: "1. Send C-47 to SOMERSET to remove balance PBSUCCESS personnel. ETA SOMERSET 1200 July 5. 2. Return FJHOPEFUL (Fort Clayton, Panama) at Brodfrost direction advising LINC ETD and ETA."