Romania:
Army, Navy, Air and Air Defense Forces, Paramilitary
Forces, Civil Defense

Russia:
Ground Forces, Navy, Air Force, Strategic Rocket Forces

Rwanda:
Army, Navy, Air Force

Saint Kitts and Nevis:
Royal Saint Kitts and Nevis Police Force,
Coast Guard, Royal Saint Kitts and Nevis Defense Force

Saint Lucia:
Royal Saint Lucia Police Force (includes Special
Service Unit), Coast Guard

Saint Vincent and the Grenadines:
Royal Saint Vincent and the
Grenadines Police Force (includes Special Service Unit), Coast Guard

Samoa:
no regular armed services; Samoa Police Force

San Marino:
Voluntary Military Force, Police Force

Sao Tome and Principe:
Army, Navy, Security Police

Saudi Arabia:
Land Force (Army), Navy, Air Force, Air Defense Force,
National Guard, Ministry of Interior Forces (paramilitary)

Senegal:
Army, Navy, Air Force, National Gendarmerie, National
Police (Surete Nationale)

Seychelles:
Army, Coast Guard, air wing, National Guard,
Presidential Protection Unit, Police Force

Sierra Leone:
Army

Singapore:
Army, Navy, Air Force, People's Defense Force, Police
Force

Slovakia:
Ground Forces, Air and Air Defense Forces, Territorial
Defense Forces, Civil Defense Force

Slovenia:
Slovenian Army (includes Air and Naval Forces)

Solomon Islands:
no regular military forces; Solomon Islands
National Reconnaissance and Surveillance Force; Royal Solomon
Islands Police (RSIP)

Somalia:
A Somali National Army is being reformed under the interim
government; numerous factions and clans maintain independent
militias, and the Somaliland and Puntland regional governments
maintain their own security and police forces

South Africa:
South African National Defense Force or SANDF
(includes Army, Navy, Air Force, and Medical Services), South
African Police Service or SAPS

Spain:
Army, Navy, Air Force, Marines, Civil Guard, National Police,
Coastal Civil Guard

Sri Lanka:
Army, Navy, Air Force, Police Force

Sudan:
Army, Navy, Air Force, Popular Defense Force Militia

Suriname:
National Army (includes small Navy and Air Force
elements), Civil Police

Swaziland:
Umbutfo Swaziland Defense Force (Army), Royal Swaziland
Police Force

Sweden:
Swedish Army, Royal Swedish Navy, Swedish Air Force

Switzerland:
Army, Air Force, Frontier Guards, Fortification Guards

Syria:
Syrian Arab Ar