In August 1990, as the United States, in concert with other nations, moved toward the use of naval forces to cut off Iraq's trade flow, the U.S. government shied away from referring to a "blockade" of Iraqi ports due to the connotations this word carries.
Siegel, Adam D.
"Set and Drift—II. Naval Forces in Support of International Sanctions: The Deira Patrol,"
Naval War College Review: Vol. 45
, Article 11.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol45/iss4/11