Various shots of different instruments (mast, cables, antennas) serving for weather research on deck of the Canadian ship Quadra in equatorial Atlantic during the international Global Atmospheric Research Program called Operation G.A.T.E. MLSs, MSs offshore of a plane flying over the Quadra including shot of a man watching it. TRAVELLING MSs at sunset of the Quadra decks, cameraman walking from one deck to another and climbing up stairs including MSs of parts of the ship. Several shots from different angles at a lock of an unidentified place, of people in a boat moving in the lock, of a man at work on machinery, of a mosque, of men on locks, of an officer aboard Quadra taking pictures, of a small boat accosting Quadra. MS of the radar dome on Quadra ship with ZOOM OUT, PAN and ZOOM IN MLS on a man raising Canada Maple Leaf flag with fish symbol attached to it. Various shots of an officer giving orders with seamen taking rigging aboard. LS of the Quadra sailing to sea with coast in background.