United Nations officials have stressed that earlier United Nations attacks were conducted at night and preceded by extensive reconnaissance to minimize civilian casualties.

During the summer Moltke made extensive reconnaissances and surveys, riding several thousand miles in the course of his journey.

The officials said on Monday that they were still analyzing computer records, photos, drawings and other documents, seized last month in Pakistan, which showed that Qaeda operatives had conducted extensive reconnaissance.

It was during this time that Barot began to do extensive reconnaissance of American targets for al-Qaeda.

But the official said "documentary evidence" found after the capture had demonstrated in extraordinary detail that Qaeda members had for years conducted sophisticated and extensive reconnaissance of the financial institutions cited in the warnings on Sunday.

The German objective was to bombard Sunderland on the 19th, with extensive reconnaissance provided by airships and submarines.

The Germans planned to bombard the port of Sunderland on the 19th, with extensive reconnaissance provided by airships and submarines.

Crafts made an extensive botanical reconnaissance of the Mississippi Valley in 1802.

National Security Agency Red Team had no inside information to work with, but by engaging in extensive preliminary electronic reconnaissance of target agencies and sites prior to the attacks, they were able to inflict considerable simulated damage.

While detailing the deployment of his forces along the Westwall opposite the American lines, Manteuffel performed an extensive reconnaissance of the positions on the German 5th Panzer army front.