Subsequent Tu-16s were converted to carry later, more advanced missiles, while their designations changed several times.

The move is intended to blunt a major guerrilla offensive backed by advanced surface-to-air missiles.

Some experts on nuclear proliferation oppose the sale because Israel is developing advanced missiles.

After all, his country is asking Washington for billions in economic assistance, but his military wants to keep its most advanced nuclear missiles.

During his career the Army moved from air defense based on guns to advanced anti-aircraft missiles and anti-ballistic missile systems.

It was to be an advanced high supersonic missile intended to destroy modern and future air defenses through direct hit.

But the new satellites would later be needed to shoot down advanced, multiple-warhead missiles that countries like China are thought to be trying to develop.

Iran's most advanced missile, the Fajr-3, has an unknown range but is estimated to be 2,500 km.

It was developed by China, and is their most advanced surface-to-air missile offered in the international market.

There he helped develop the control mechanisms for advanced missiles, several of which remain (in upgraded forms) in service today.