Official History of the Bay of Pigs Operation- Volume 2- Part 1

The picket would not only assuage Somoza's fears, but
would be insurance against any unorthodox surprise
attack on TIDE.* The emergency cable from TIDE to
Headquarters recommended that the radar picket be
established by 0800 local time 15 April 1961, or as
soon as possible thereafter; and it also suggested
that instructions be provided for communications to
link the Navy picket with both TIDE and Managua. 64/
One of the few points of contention between the
Agency representatives and the highest officials of
the Nicaraguan government occurred at the time that
the operation was being mounted at Puerto Cabezas.
One of the Garcia Lines ships -- the Lake CharZes
which was to be one of the backup ships of the invasion
fleet -- arrived in Puerto Cabezas where 10 of her
Cuban crew membe~s were detained as potential prO-
Castro security risks. These crew members were re-
moved from the Lake CharZes and turned over to Captain
* The idea suggested by General Somoza -- that bombs
might be rolled out the doors of Cubana airlines C-47's
or other transport aircraft -- undoubtedly struck a
familiar note with the air ops people at TIDE. After
all, they had tried to develop a make-shift napalm
bomb to be rolled out -- or dropped out on a pallet --
of a C-46 or C-54. (See Volume I, Air Operations.)