21.   Such proliferation then becomes part of the rationale the industry presents to Congress for developing more and more sophisticated weapons.

22.   Talks on reunification of this divided island were unraveling last week, but the race by both sides to purchase sophisticated weapons continued escalating.

23.   The decision to release these sophisticated weapons falls on the State Department and typically requires congressional approval.

24.   The fighting in Afghanistan has confirmed the effectiveness of sophisticated long-distance weapons and unmanned drones to spy on and attack enemies without exposing soldiers to undue risk.

25.   The investigation began, officials said, after sophisticated weapons began turning up in disturbing numbers among violent gangs in Northern California.

26.   The prospect of a terrorist attack with a sophisticated weapon of mass destruction remains, Wilcox said.

27.   The sale of the Lockheed Martin jets marks the first time in two decades that Washington has approved the transfer of sophisticated weapons to a Latin American country.

28.   The superpowers will no longer need their massive stockpiles of sophisticated conventional weapons.

29.   The United States provides billions in military and civilian aid to the Jewish state and routinely approves sales to Israel of the most sophisticated American weapons.

30.   There was no indications that more sophisticated weapons were being used.