S
SAARC
South Asian Association for Regional Cooperation
SACU
Southern African Customs Union
SACEP
South Asia Co-operative Environment Programme
SADC
Southern African Development Community
SCO
Shanghai Cooperation Organization
SAFE
South African Far East Cable
SECI
Southeast European Cooperative Initiative
SHF super-high-frequency
Ship Pollution
Protocol of 1978 Relating to the International Convention for the
Prevention of Pollution From Ships, 1973 (MARPOL)