Russia objects. But the United States says the system would protect Europe from a possible attack by Iran.

VOA: special.2009.05.23

The system was designed to especially protect the nation's Atlantic Ocean coast and the Gulf of Saint Lawrence.

VOA: special.2009.03.17

Your body's natural defense system needs to be at its strongest to protect you against disease.

VOA: special.2009.04.29

The immune system is supposed to protect the body.

VOA: special.2010.11.16

Last year,he says, the UNHCR with the support of the Greek Ministry of Interior, made recommendations for a complete overhaul of the system, including specific measures to protect children seeking asylum.

VOA: standard.2009.08.29

"Perhaps most important,though, we can now field initial elements of the system to protect our forces in Europe and our allies roughly six to seven years earlier than the previous plan a fact made more relevant by continued delaysin the Czech and Polish ratification processes that have caused repeated slips in the timeline,".

VOA: standard.2009.09.17