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.