Sentence examples for covert test from inspiring English sources

South Korea and its allies believe the launch was a covert test of missile technology that could potentially be used to target the US mainland with nuclear warheads.

Pyongyang says its rocket launches are satellite missions, but the US, South Korea and others say they are a covert test of ballistic missile technology.

The US and other critics, however, condemn it as a covert test of long-range missile technology, and are urging the UN security council to take action against North Korea.

South Korea and its allies believe the launch was a covert test of missile technology that could one day be used to target the US mainland with nuclear warheads.

But few have seen how the cars actually drive, and the company has worked intensely to keep its technology under wraps: A rare public sighting came in June, when one of its covert test cars was rear-ended in Palo Alto while slowing down to dodge a squirrel.

In April, the Fed decided to launch a covert test of the DDADE dogs and handlers, sending vehicles containing 50 pounds of dynamite and 15 pounds of C-4, a plastic explosive used in the bombing of the U.S. destroyer Cole, into different driveway entrances at Fed headquarters.

Johnson said there would be more random covert testing at checkpoints.

The covert tests were conducted at Transportation Security Administration checkpoints at 19 airports in March, May and June of this year.

The report on covert testing by the Office of Inspector General OIGG) was delivered Tuesday in a classified briefing before the House Committee on Homeland Security.

Clark Kent Ervin, the inspector general of the Department of Homeland Security, told Congress in April that T.S.A. screeners performed poorly in response to covert tests.

And Johnson said he has asked the inspector general and the TSA to continue to conduct random, covert testing to ensure that systems are effective at identifying threats.