Appendix I to SOP For Radiological Reconnaissance Aircraft
Kwajalein, Marshall Islands: 509th Composite Group, Headquarters, Office of the Deputy for Operations, 1946. Presumed first Edition, First printing thus. Stapled at upper left corner. 2 sheets, approximately 8 inches by 10.5 inches, printed on one side only. Stapled at the top left corner. This is an incredibly rare and significant item of Atomic Weapons Testing ephemera, connected with both the 509th Composite Group and Operations Crossroads. This document is dated 25 Jun 46 and appears to be part of the planning for Operation Crossroads. It appears to be a mimeographed copy. The first page is text and the second has two circular diagrams. Example 2 RDS 190 degrees T through 310 degrees T. Example 2 RDS [unclear] through 280 degrees T. Example 2 NOTE King Flight Rendezvous at 26000 and Execute Plan Baker Immediately. Pare one has a NOTE at the bottom that says "In original SOP dated 22 Jun 46 paragraph two line three, cross out the word FOX and substitute the word DOG. 1. This appendix sets down the method of determining where Jig and King flights rendezvous. The change from the original fixed rendezvous point system is necessary because any predetermined fixed point may possibly be with the RDS and so be unsuitable for rendezvous. 2. B-29's Antique 1 and 3 will proceed to original rendezvous points and hold there until Mike plus six at which time they will proceed to the new rendezvous points....Jig flight will always rendezvous north of an East Weat [sp? West] line through the target and King flight south of the same line....3. The legs of the first elliptical pattern which Jig and King fights take up will be parallel to the apparent movement of the highest portion of the cloud. More