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sasily accessible form. Tl:issystem was expa@ed and carried through
the actual test periods, and obviated the necessity for keeping a J-3
journal.
we
Peter .{-Rayrehearsal was a test for JTi’-7plans. It Gave ~1
concerned an opportunity to analyze the operation and effect minor
improve.aentswhere needed. A general critique was held 10 April
attended by appropriate commanders and staff officers. The Peter X-&y
Day rehearsal was discussed in detail and minor changes in plans were
made accordingly. This necessitated further revisions of the Evacua-
tion and Re-entry Plans, which were accomplished by J-3. The Xilitary
Check List was also brought up to date~
CJTF-7 was satisfied that the Force was ready for the X-Ray Day
Test.
Consequently,
nssages were dispatchedby J-3 announcingthe
weatherbrieftigto be held on X-Ray ndnus 3 day at 1300 (t~
chmged
frcun1500 in orderto reach the decisionin time to allowTask Grmp
7.3 vesselsday-light to leave the Lagoon).
The actual operations on X-hay minus three, two, one and X-Ray
Days proceeded according to schedule and without any mforeseen
difficulties except in two respects noted in the scientific regmrt.
Perfect wind conditions produced the most favorable rade.xthat could
have been expected. The re-entry was not handicapped by radiological
conditions and was accomplished with greaterspeed than anticipated.
The week following the first shot was utilized by J-3 princip~y
in Post-Sandstone planning. The first requirement was to attempt to
Section 131
r