U.S. Secretary of Defense Robert Gates delivers his speech "Reflections on the status and future of the transatlantic alliance" next to former NATO Secretary General Jaap de Hoop Scheffer (R) in Brussels June 10, 2011. The North Atlantic alliance risks "collective military irrelevance" unless its European members boost their military spending and become "serious and capable partners in their own defense," Gates said on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: MILITARY POLITICS) 

U.S. Secretary of Defense Robert Gates delivers his speech "Reflections on the status and future of the transatlantic alliance" next to former NATO Secretary General Jaap de Hoop Scheffer (R) in Brussels June 10, 2011. The North Atlantic alliance risks "collective military irrelevance" unless its European members boost their military spending and become "serious and capable partners in their own defense," Gates said on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: MILITARY POLITICS) 

Former NATO Secretary General Jaap de Hoop Scheffer waits to shake hands with U.S. Secretary of Defense Robert Gates (R) after a speech "Reflections on the status and future of the transatlantic alliance" in Brussels June 10, 2011. The North Atlantic alliance risks "collective military irrelevance" unless its European members boost their military spending and become "serious and capable partners in their own defense," Gates said on Friday. REUTERS/Francois Lenoir (BELGIUM - Tags: MILITARY POLITICS) 

Co-President of the Security and Defence Agenda (SDA) Jaap De Hoop Scheffer (L) and SDA Director Giles Merritt (R) escort U.S. Secretary of Defense Robert Gates off stage after Gates delivered a speech entitled "Reflections on the status and future of the transatlantic alliance" in Brussels, June 10, 2011. REUTERS/Jason Reed (BELGIUM - Tags: POLITICS MILITARY) 

Co-President of the Security and Defence Agenda (SDA) Jaap De Hoop Scheffer (C) and SDA Director Giles Merritt (R) listen as U.S. Secretary of Defense Robert Gates delivers a speech entitled "Reflections on the status and future of the transatlantic alliance" in Brussels, June 10, 2011. REUTERS/Jason Reed (BELGIUM - Tags: POLITICS MILITARY) 

Co-President of the Security and Defence Agenda (SDA) Jaap De Hoop Scheffer (R) escorts U.S. Secretary of Defense Robert Gates onto the stage to deliver a speech entitled "Reflections on the status and future of the transatlantic alliance" in Brussels, June 10, 2011. REUTERS/Jason Reed (BELGIUM - Tags: POLITICS MILITARY) 

Co-President of the Security and Defence Agenda (SDA) Jaap De Hoop Scheffer (L) introduces U.S. Secretary of Defense Robert Gates before he delivers a speech entitled "Reflections on the status and future of the transatlantic alliance" in Brussels, June 10, 2011. REUTERS/Jason Reed (BELGIUM - Tags: POLITICS MILITARY) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS HEADSHOT IMAGES OF THE DAY) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM) 

Former Danish Prime Minister Anders Fogh Rasmussen holds his first news conference as NATO Secretary-General at the alliance headquarters in Brussels August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen (L) is welcomed by NATO Deputy Secretary General Claudio Bisogniero at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Denmark's Prime Minister Anders Fogh Rasmussen arrives at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Denmark's Prime Minister Anders Fogh Rasmussen arrives at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen arrives at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen arrives at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

Former Danish Prime Minister Anders Fogh Rasmussen arrives at NATO headquarters in Brussels for his first day in office August 3, 2009. Rasmussen succeeded NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Yves Herman (BELGIUM POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer waves as he leaves the Alliance headquarters after a farewell ceremony in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer (R) and his wife Jeannine pay respect for soldiers fallen in NATO-led operations during a farewell ceremony at the Alliance headquarters in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer and his wife Jeannine pay respect for soldiers fallen in NATO-led operations during a farewell ceremony at the Alliance headquarters in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer and his wife Jeannine (L) lay flowers at the memorial for soldiers fallen in NATO-led operations during a farewell ceremony at the Alliance headquarters in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer poses with Deputy Secretary General Claudio Bisogniero (L) and Ambassador Per Poulsen-Hansen (R) during a farewell ceremony to NATO headquarters in Brussels July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM) 

NATO Secretary General Jaap de Hoop Scheffer arrives to bid his farewell to NATO headquarters in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer arrives to bid his farewell to NATO headquarters in Brussels, July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary General de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer arrives to bid his farewell to NATO headquarters in Brussels July 30, 2009. Former Danish Prime Minister Anders Fogh Rasmussen will succeed NATO Secretary-General Jaap de Hoop Scheffer as head of the alliance on August 1. REUTERS/Francois Lenoir (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer gestures during a news conference in Podgorica July 16, 2009. REUTERS/Stevo Vasiljevic (MONTENEGRO POLITICS) 

NATO's Secretary-General Jaap de Hoop Scheffer (C) meets members of Bosnia's three-man inter-ethnic presidency Haris Silajdzic (L) and Nebojsa Radmanovic during his farewell visit to Bosnia July 16, 2009. Bosnia is a member of NATO Partnership for Peace programme and aspires to join the alliance. REUTERS/Danilo Krstanovic (BOSNIA AND HERZEGOVINA POLITICS) 

NATO's Secretary-General Jaap de Hoop Scheffer (L) talks to members of Bosnia's three-man inter-ethnic presidency Haris Silajdzic (C) and Nebojsa Radmanovic during his farewell visit to Bosnia July 16, 2009. Bosnia is a member of the NATO Partnership for Peace programme and aspires to join the alliance. REUTERS/ Danilo Krstanovic (BOSNIA AND HERZEGOVINA POLITICS) 

(L-R) Cambodian Prime Minister Hun Sen's wife Bun Rany Hun Sen, France's first lady Carla Bruni-Sarkozy, Indian Prime Minister Manmohan Singh's wife Gursharan Kaur (partly hidden) and NATO Secretary General Jaap de Hoop Scheffer's wife Jeannine de Hoop Scheffer react to a parachute display as they attend the Bastille day parade in Paris July 14, 2009. REUTERS/Mal Langsdon (FRANCE) 

(L-R) NATO Secretary General Jaap de Hoop Scheffer's wife Jeannine de Hoop Scheffer, Indian Prime Minister Manmohan Singh's wife Gursharan Kaur, France's President Nicolas Sarkozy's wife Carla Bruni-Sarkozy and Cambodian Prime Minister Hun Sen's wife Bun Rany Hun Sen attend the Bastille day parade on the Place de la Concorde in Paris July 14, 2009. REUTERS/Philippe Wojazer (FRANCE POLITICS) 

France's President Nicolas Sarkozy (L) speaks to his wife Carla Bruni-Sarkozy as he arrives at the Place de la Concorde in Paris to attend the Bastille day parade, July 14, 2009. (L-R) Nicolas Sarkozy, NATO Secretary General Jaap de Hoop Scheffer's wife Jeannine de Hoop Scheffer, Indian Prime Minister Manmohan Singh 's wife Gursharan Kaur, Carla Bruni-Sarkozy, Cambodian Prime Minister Hun Sen's wife Bun Rany Hun Sen. REUTERS/Philippe Wojazer (FRANCE POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer (2nd R) and Navy Admiral James Stavridis (R) walk past an intercepted pirates' boat during the NATO's annual Sea Day in Rota, southern Spain, July 13, 2009. REUTERS/Anton Meres (SPAIN MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer (C) observes an exercise during the NATO's annual Sea Day in Rota, southern Spain, July 13, 2009. REUTERS/Anton Meres (SPAIN MILITARY) 

General John Craddock (L), outgoing Supreme Allied Commander Europe (SACEUR), NATO Secretary-General Jaap de Hoop Scheffer (C), and U.S. Navy Admiral James Stavridis attend a change of command ceremony at the SHAPE military base in Mons July 2, 2009. Admiral Stavridis takes over from General Craddock as Commander of the NATO troops in Europe. REUTERS/Thierry Roge (BELGIUM MILITARY POLITICS) 

General John Craddock (L), outgoing Supreme Allied Commander Europe (SACEUR), NATO Secretary-General Jaap de Hoop Scheffer (C), and U.S Navy Admiral James Stavridis attend a change of command ceremony at the SHAPE military base in Mons July 2, 2009. Admiral Stavridis takes over from General Craddock as Commander of the NATO troops in Europe. REUTERS/Thierry Roge (BELGIUM MILITARY POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer speaks to reporters during a news conference following a NATO-Russia council on the Greek Ionian island of Corfu June 27, 2009. NATO and Russia on Saturday restarted formal cooperation on broad security threats but failed to bridge fierce differences over Georgia in their first high-level talks since the war in the Caucasus region. REUTERS/Yiorgos Karahalis (GREECE POLITICS MILITARY HEADSHOT) 

NATO Secretary General Jaap de Hoop Scheffer speaks to reporters during a news conference following a NATO-Russia council on the Greek Ionian island of Corfu, northwest of Athens June 27, 2009. NATO and Russia on Saturday relaunched formal cooperation on security threats, a NATO official said after their first high-level talks since falling out over the Georgia war last year. REUTERS/Yiorgos Karahalis (GREECE POLITICS MILITARY IMAGES OF THE DAY) 

NATO Secretary General Jaap de Hoop Scheffer (R) gestures next to U.S. Deputy Secretary of State James Steinberg during a NATO-Russia council on the Greek Ionian island of Corfu, northwest of Athens June 27, 2009. NATO and Russia on Saturday relaunched formal cooperation on security threats, a NATO official said after their first high-level talks since falling out over the Georgia war last year. REUTERS/Yiorgos Karahalis (GREECE POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer (L) shakes hands with Afghan President Hamid Karzai during a news conference in Kabul June 17, 2009. REUTERS/Ahmad Masood (AFGHANISTAN POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer (L) listens as Afghan President Hamid Karzai speaks during a news conference in Kabul June 17, 2009. REUTERS/Ahmad Masood (AFGHANISTAN POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer (L) speaks with Afghan President Hamid Karzai during a news conference in Kabul June 17, 2009. REUTERS/Ahmad Masood (AFGHANISTAN POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS HEADSHOT MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM MILITARY POLITICS) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS MILITARY IMAGES OF THE DAY) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS MILITARY IMAGES OF THE DAY) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS HEADSHOT MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer addresses a news conference at the end of a NATO defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS HEADSHOT MILITARY) 

Chairman of the NATO Military Committee Admiral Giampaolo Di Paola (3rd R), Denmark's Defence Minister Soren Gade (2nd R) and NATO Secretary General Jaap de Hoop Scheffer (R) attend the unveiling ceremony of a monument in memory of those killed in NATO operations during a defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Virginia Mayo/Pool (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer (L) talks with Dutch Defence Minister Eimert van Middelkoop during a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

Lt. Gen. Stanley McChrystal (R), commander of US forces in Afghanistan talks with NATO Secretary General Jaap de Hoop Scheffer, during a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

U.S. Secretary of Defense Robert Gates (C) pose with Lt.Gen. Stan McChrystal (L), commander of US forces in Afghanistan and NATO Secretary General Jaap de Hoop Scheffer (R), during a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

NATO Secretary-General Jaap de Hoop Scheffer (L) talks to Afghanistan's Defence Minister Abdul Rahim Wardak (R) at the start of a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

NATO Secretary-General Jaap de Hoop Scheffer (L) talks to Afghanistan's Defence Minister Abdul Rahim Wardak (C) and his Canadian counterpart Peter MacKay (R) at the start of a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

NATO Secretary General Jaap de Hoop Scheffer (L) talks to Afghanistan's Defence Minister Abdul Rahim Wardak (R) at the start of a North Atlantic Council with Non-NATO ISAF Contributors on the last day of a NATO defence ministers' meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Yves Herman (BELGIUM POLITICS MILITARY) 

Chairman of the NATO Military Committee Admiral Giampaolo Di Paola (L), Denmark's Defence Minister Soren Gade (C) and NATO Secretary General Jaap de Hoop Scheffer (R) attend the unveiling ceremony of a monument in memory of those killed in NATO Operations during a defence ministers meeting at the Alliance headquarters in Brussels June 12, 2009. REUTERS/Thierry Roge (BELGIUM POLITICS MILITARY)