13
(1) Attack by armed merchant vessel by minelaying in the
approaches;
(2)
Attack by submarine (a) by mino or torpedo on shipping
in the approaches;
Local Naval Services.
30
(1) Minesweeping.
(b) by torpedo on ships in harbour.
The depths of water in the vicinity of the
island allows the possibility of minolaying and it is
desired to have at Hong Kong, on the outbreak of war in
the East, Y vessels of the trawler type for the Eastern
approaches and 14 for the Western. In a European war,
5 vessels for the Eastern approaches and 7 for the
Wostern.
(2)
Anti-Submarine Craft. For escort of vessels
and for operating against submarines in the approaches it
is desired to have a force of 15 A/S vessels for an
Eastern war; 6 A/S vessels for Buropean war.
(3) Naval Control Service. For an Eastern War
it is intended to establish a Naval Control Servico
Class V Staff for dealing with control of mercantilə
movements. This staff consists of 2 officers and J.
civilian clerk.
For a European war it is intended to establish a
Class III Staff which consists of 7 officers, 2 signalmen
pensioners and 2 civilian clorks.
It is considered that the Naval Control Service is
capable of functioning before the arrival from Home of the
full staffs and that ondeavour should be made by making
use of local personnel, such as shipping agents and
retired R. N. R. officers who have experience of mercantile
movements, to establish control of shipping as soon as
possible after the outbreak of war.
2.