King Philippe and Queen Mathilde of Belgium Inaugurate The Pollux Patrol Boat on May 6, 2015 in Zeebrugge, Belgium.

 King Philippe of Belgium salutes during the ship launching ceremony of the P902 Pollux ship with the Duchess of Brabant as official godmother, at the Zeebrugge naval base, on May 6, 2015.

Queen Mathilde of Belgium and Princess Elisabeth, Duchess of Brabant, during the ship launching ceremony of the P902 Pollux ship with the Duchess of Brabant as official godmother, at the Zeebrugge naval base, on May 6, 2015

(From R) King Philippe of Belgium, Queen Mathilde of Belgium and Princess Elisabeth, Duchess of Brabant, attend the ship launching ceremony of the P902 Pollux ship with the Duchess of Brabant as official godmother, at the Zeebrugge naval base, on May 6, 2015.

Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium and Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on 06.05.2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe (R) of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium (2-R) are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium and Princess Elisabeth of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

King Philippe of Belgium assists the ship Christening with champagne of the Patrol Ship Pollux on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

(R) Queen Mathilde of Belgium and Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

(C) Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

(C) Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Princess Elisabeth of Belgium is seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

Belgian Queen Mathilde and Princess Elisabeth are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

(L-R) Belgian Queen Mathilde, Princess Elisabeth and King Philippe are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.

(R-L) Queen Mathilde of Belgium, Princess Elisabeth of Belgium and King Philippe of Belgium are seen during the Patrol Ship Pollux's inauguration on May 6, 2015 in Zeebrugge, Belgium.