Karachi Naval Base Attacked

Pakistani army commandos drive through the main gate of a naval aviation base following an attack by militants in Karachi, Pakistan, Monday, May 23, 2011. Militants attacked the base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)

A Pakistani army commando mans a checkpoint while others check vehicles as they are on alert following an attack by militants on a naval aviation base, in Karachi, Pakistan, Monday, May 23, 2011. Islamist militants stormed a naval base in the Pakistani city of Karachi late Sunday, destroying two U.S. supplied surveillance aircraft, firing rockets and battling commandos sent to subdue them in one of the most brazen attacks in years, officials said. (AP Photo/Fareed Khan)

Pakistani army commandos drive through the main gate of a naval aviation base following an attack by militants in Karachi, Pakistan, Monday, May 23, 2011. Islamist militants stormed a naval base in the Pakistani city of Karachi late Sunday, destroying a U.S. supplied surveillance aircraft, firing rockets and battling commandos sent to subdue them in one of the most brazen attacks in years, officials said. (AP Photo/Shakil Adil)

Pakistani army commandos enter a naval aviation base following an attack by militants in Karachi, Pakistan, Monday, May 23, 2011. Militants attacked the base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Fareed Khan)

Pakistani army commandos drive through the main gate of a naval aviation base following an attack by militants in Karachi, Pakistan, Monday, May 23, 2011. Militants attacked the base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Fareed Khan)

Pakistani rangers and civilians gather at the main gate of a naval aviation base following an attack by militants, in Karachi, Pakistan, Sunday, May 22, 2011. Militants attacked the base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)

Fire and smoke rises from a Pakistani naval aviation base, following an attack by militants in Karachi, Pakistan, Sunday, May 22, 2011. Militants attacked a naval aviation base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)

Pakistani rangers and rescue workers gather at the main gate of a naval aviation base following an attack by militants, in Karachi, Pakistan, Sunday, May 22, 2011. Militants attacked a naval aviation base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)

Pakistani rangers take position at the main gate of a naval aviation base following an attack by militants, in Karachi, Pakistan, Sunday, May 22, 2011. Militants attacked a naval aviation base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)

A building inside a Pakistani military base is seen on fire following an attack by militants in Karachi, Pakistan, Sunday, May 22, 2011. Militants attacked a naval aviation base in the southern Pakistani city of Karachi late Sunday, rocking the base with explosions and battling commandos sent in to subdue the attackers, security officials said. (AP Photo/Shakil Adil)