Reuters ^[1]
Jan 2, 2013

DUBAI – Iran has warned off foreign surveillance planes that have tried to approach its forces during naval drills in the Strait of Hormuz ^[2], an Iranian military spokesman said on Tuesday.

The drills, which began on Friday, are aimed at showcasing Iran’s military capability in the shipping route through which 40 percent of the world’s sea-borne oil exports pass.

Iran has threatened to block the strait if it comes under military attack over its disputed nuclear program. The United States has said it would not tolerate any obstruction of commercial traffic through the strait.

“So far about 30 warnings have been given to reconnaissance and surveillance planes of extra-regional forces that wanted to approach the area where the drills are taking place,” Commander Amir Rastegari told the semi-official Mehr news agency.

Full article here ^[1]