Pseudonym: Dahleiden, Walter
05/24/67: Cable from JMWAVE to Director (Info: Managua): Slugline RYBAT TYPIC AMWORLD: "1. JMWAVE M/V Petrel can be made available to arrive el bluff about 8 June if HQs desires. Petrel capable handling cargo. Would plan use Cuban crew with American case officer and ordnance officer. Appears ordnance officer desirable to inspect questionable equip on return trip and deep six all not work salvaging. If Managua station can arrange local authorities for no inspection Petrel at el bluff believe movement can be securely made. Would prefer enter el bluff with no name showing or use phony name. Petrel bona fide Nicaraguan registered with home port Bluefields and Petrel's papers so state. 2. If HQs desires use Petrel it may be desirable send JMWAVE case officer to Managua to firm up details. Please advise."
06/01/67: Cable from JMWAVE to Director, Managua (Info: Panama City): CITE JMWAVE 7476: Slugline RYBAT TYPIC AMWORLD: "1. Request Managua comment re local arrangements Petrel entry el bluff per Ref A. 2. Petrel can depart 5 June and arrive el bluff 11 June. No logistical support would be needed by Petrel at el bluff. Petrel will file 'no foreign port' on departure home base as is usual for operational trips and therefore first return port must be home port. We plan to lighter material during darkness from Petrel to JMWAVE controlled safe area in keys and then truck to safe storage area. Petrel will then return home port clean. 3. Present captain of Petrel was captain of AMWORLD mother vessel (AKL) and familiar litel bluff and knows manager fish processing plant as Diablo. Diablo probably Robert Bartlett. If headquarters desires cache removal to look like AMBIDDY (Manuel Artime Buesa) returning for his equipment Petrel captain can let himself be seen by Bartlett and possibly others thus indicating it AMBIDDY op to locals. If not desired Petrel captain will remain out of sight while at el bluff. 4. If Managua reply para 1 satisfactory will send (IDEN) Walter J. Dahleiden, JMWAVE ordinance officer, to Managua via air O/A 6 June or date set by Managua so that he might inspect cache prior arrival Petrel. Plan Dahleiden return JMWAVE via air after cache loaded aboard Petrel and be available assist in unloading upon Petrel return. 5. Please advise."
06/01/67: Cable from JMWAVE to Director, Managua (Info: Panama City): CITE JMWAVE 7475: Slugline RYBAT TYPIC AMWORLD: REF JMWAVE 7476 (IN 79991): "IDENTITY: (REDACTION)."
06/01/67: Cable from Managua to JMWAVE (Info: Director, Panama City): Slugline RYBAT TYPIC AMWORLD: REF: JMWAVE 7476 (IN 79491): "1. Managua unable comment on JMWAVE 7300 as have not yet received it. 2. Believe recovery re Petrel can be made with no difficulty. Colonel Brenes can arrange port clearance. 3. Ref assumption correct that 'Diablo' is Robert Bartlett. 4. Primitivo Ablanedo back in Nicaragua. Met with COS 1 June, returning el bluff 2 June, will inform Brenes of plan remove arms by ship. COS informed Colonel Genie, chief office national security, of plan remove cache by sea. Genie will inform President Somoza. 5. See no objection have Petrel captain seen by Bartlett, Brenes and others at el bluff. 6. Welcome visit Walter J. Dahleiden. Cable firm ETA."
06/03/67: Cable from Managua to JMWAVE (Info: Director): Slugline RYBAT TYPIC AMWORLD: REF WAVE 7542 (IN 81201): "1. Ref plan satisfactory. No inspection will be made. 2. Advise captain crew members will be needed for heavy large moving cache. Station will arrange for loan Bartlett truck. COS be on hand. 3. Will meet Dahleiden."
06/03/67: Cable from JMWAVE to Managua (Info: Director, Panama City): Steadman Acting: Slugline RYBAT TYPIC AMWORLD: "1. Petrel scheduled depart home base 5 June and arrive el bluff 2330 hours Zulu 11 June. Petrel will change name enroute to M/V Flete and will enter el bluff with this name and flying Panama flag. No home port will be shown. It is hoped cache can be loaded night 11 June and M/V Flete depart early 12 June. Request Managua confirm above plan satisfactory and that no inspection by local authorities will be made. 2. Walter J. Dahleiden scheduled on Lanica flight 411 departing Miami 0800 hours local 6 June and arriving 0820 hours Managua time. Please meet."
06/06/67: Cable from Managua to Director, JMWAVE: Slugline RYBAT TYPIC AMWORLD: "1. Colonel Genie told COS 7 June President Somoza apprised of plan and in complete agreement. 2. Zaboth (probably Carl Jenkins) and Dahleiden departed Managua for el bluff morning 8 June to make final inspection cache. COS will fly el bluff Saturday 10 June to be on hand for loading op. 3. Everything proceeding nicely. Expect have material on high seas early 12 June. Will advise."