That blockades, to be binding, must have an adequate naval force stationed in close proximity to the blockaded port.
"The Influence of Sea Power Upon History, 1660-1783" by A. T. Mahan
Commercial blockade, therefore, has an intimate relation with naval blockade in its open form.
"Some Principles of Maritime Strategy" by Julian Stafford Corbett
Is she a naval vessel, or simply a blockade runner?
"Within The Enemy's Lines" by Oliver Optic
You don't know yet whether they will come as simple blockade runners, or as naval vessels flying the Confederate flag.
"On The Blockade" by Oliver Optic
In connection with the blockade a number of naval expeditions were sent against various points along the coast.
"History of the United States, Volume 4" by E. Benjamin Andrews
A naval blockade was established in Chinese waters.
"A History of the Nineteenth Century, Year by Year" by Edwin Emerson
A declaration of blockade is made either by the blockading power or by the naval authorities acting in its name.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1" by Various
At that time Hampton Roads was blockaded by Union naval forces, and the rivers were patrolled by them.
"The Stronghold" by Miriam Haynie
HELSINKI — Finland says Israel has warned the country it will take action against a boat carrying pro-Palestinian activists trying to break a naval blockade of Gaza.
A Finnish-flagged ship attempting to break Israel's naval blockade of the Gaza Strip hopes to reach Gaza's coastal waters by Saturday afternoon, a spokesman for the organizers in Sweden, Mikael Lofgren, told dpa Friday.
Activist says boat with pro-Palestinians seeks to break Israeli naval blockade of Gaza Strip.
Israel's Naval Blockade Of Gaza.
Is Israel's Naval Blockade Of Gaza Legal.
How Israel's naval blockade denies Gazans food, aid.
"Given Israel's naval blockade of Gaza, there's only one way to get weapons into Gaza, and that is through Egypt ," the Senators wrote in the letter.
JERUSALEM — Israel threatened Sunday to bar for up to a decade any foreign journalist who boards a flotilla seeking to challenge an Israeli naval blockade of Gaza.
JERUSALEM – Israeli naval vessels thwarted the advance of a pro-Palestinian boat attempting to reach Gaza on Saturday in defiance of Israel's blockade of the territory, the military said.