With the approaching of 2008 Olympiad, the preparation for underwater security of Sailing games in Qingdao entered the final but crucial stage. On Jul.15, the group members from Institute of Acoustics, Xi'an Institute of Optics and Precision Mechanics and North Station of Acoustics held a gathering to make a swear for dedication to the security guard work. 

On the meeting, Prof. XU Feng, the principal of the project made a boosting speech and encouraged all the members to work hard and finish the glorious task successfully. He put forward some detailed requirements for the practical work of next stage. All the group members were excited and confident to keep the games going on safely and smoothly.