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minutes a monitor departed by helicopter to monitor the area in the
vicinity of the land cable winch on ZERO island and determine the
feasibility of scheduled missions attempting to work in that area.
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On Parry Island-a monitorboardedthe AVR-53 which departed at
H-plus-10 minutes for ZERO island to stand by for air-sea rescue in
the event of accident to one of the helicopters.
AVR-38 also departed
Parry Island at this same hour with a group of five monitors aboard
who would be put ashore at Z®RO island to accompany urgent missions
involving recovery of samples from land cables and from the "gamma
stations".
One monitor in this latter group remained aboard the AVR
to act as monitor for that vessel and to operate the radio until
communications could be established ashore.
At about H-plus-45 minutes;the BAIROKO got underway, and ata
point about 5 miles from ZERO island two TG~7.6 boats, a PPB and LCVP
were lowered into the water while underway.
These boats, equipped
with radios and radar target screens, served as the lagoon reentry
patrol,
With monitors and radiomen aboard they preceded reentry into
the vicinity of ZERO island, monitoring water intensities and radioing
the information in code to RadOps.
By the use of radar tracking,
RadOps plotted a continuous track of these boats on a chart overlay,
marking intensities where indicated by radioed information.
Later,
when the BAIROKO had anchored off ZERO island, these boats continued
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Section. IX.