The followings is the Fiscal Year 2016 summary of the Department of Defense freedom of navigation operations.

Albania*

Prior authorization required for foreign warships to enter the territorial sea (TTS); excessive straight baselines.

Brazil

Consent required for military exercises or maneuvers in the exclusive economic zone (EEZ).

Cambodia

Excessive straight baselines.

China*

Excessive straight baselines; jurisdiction over airspace above the EEZ; restriction on foreign aircraft flying through an Air Defense Identification Zone (ADIZ) without the intent to enter national airspace; domestic law criminalizing survey activity by foreign entities in the EEZ; prior permission required for innocent passage of foreign military ships through the TTS.

Croatia

Prior notification required for foreign warships to exercise innocent passage in the TTS.

India*

Prior consent required for military exercises or maneuvers in the EEZ; security jurisdiction claimed in the contiguous zone.

Indonesia*

Limits on archipelagic sea lane passage through normal routes used for international navigation; prior notification required for foreign warships to enter the TTS and archipelagic waters; restriction on stopping, dropping anchor, or cruising without legitimate reason in seas adjoining TTS.

Iran*

Restrictions on right of transit passage through Strait of Hormuz to Parties of the United Nations Convention on the Law of the Sea; prohibition on foreign military activities and practices in the EEZ.

Italy

Claimed historic bay status for the Gulf of Taranto.

Japan

Excessive straight baselines.

Malaysia*

Prior authorization required for nuclear-powered ships to enter the TTS; military exercises or maneuvers in the EEZ requires prior consent.

Maldives*

Prior authorization required for foreign ships to enter the EEZ.

Malta

Passage by foreign warships through the TTS subject to prior consent or prior notification.

Oman*

Prior permission required for innocent passage of foreign military ships through the TTS; requirement for innocent passage through the Strait of Hormuz (an international strait).

Pakistan*

Prior consent required for foreign warships to conduct military exercises or maneuvers in the EEZ.

Philippines*

Claims archipelagic waters as internal waters.

South Korea

Excessive straight baselines; prior notification required for foreign military or government vessels to enter the TTS.

Taiwan*

Prior notification required for foreign military or government vessels to enter the TTS.

Thailand

Excessive straight baselines; consent required for military exercises in the EEZ.

Tunisia

Excessive straight baselines.

Venezuela*

Prior permission for overflight of the EEZ and Flight Identification Region (FIR).

Vietnam*

Prior notification required for foreign warships to enter the TTS.

* designates multiple challenges to the claim(s) during the reporting period.

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Document: Pentagon 2016 Freedom of Navigation Report - USNI News