well-defended

However, the latest attack on such a well-defended hotel, which is impossible to approach without going through at least two security checkpoints, is embarrassing to the Afghan government as it prepares to take responsibility for security in Kabul province as part of much vaunted "transition" strategy.

Kabul attack: Nato kills Taliban squad members who launched suicide assault

Mauritanian army spokesman Colonel Teyib Ould Brahim says there were casualties on both sides when Mauritanian and Malian troops attacked a well-defended al-Qaida camp in the Wagadou forest region.

Mauritania, Mali Military Attack Al-Qaida Base in Sahel

However, the latest attack on such a well-defended hotel, which is impossible to approach without going through at least two security checkpoints, is embarrassing to the Afghan government as it prepares to take responsibility for security in Kabul province as part of much vaunted "transition" strategy.

Kabul attack: Nato kills Taliban squad members who launched suicide assault

It was surrounded by sheer slopes several thousand feet high with only one precipitous and well-defended path to the top.

Alexander the Great

Washington proposed building three or four large, well-defended works from which patrols could range out; a few large garrisons would be easier to supply.

George Washington’s First War

Washington proposed building three or four large, well-defended works from which patrols could range out; a few large garrisons would be easier to supply.

George Washington’s First War

A new chief executive came in with a different strategy, focusing on a part of the market that wasn't so well-defended.

Semiconductors

"It was regarded as a well-defended building," he said.

Bomb Hits U.N. Building in Nigeria Capital

Washington proposed building three or four large, well-defended works from which patrols could range out; a few large garrisons would be easier to supply.

George Washington’s First War

Secondly, you can't the more well-defended (as would happen if it was primarily privately financed) areas be areas that aren't as useful to keeping the war machine running.

Privatizing Defense vs. Socializing Medicine, Arnold Kling | EconLog | Library of Economics and Liberty