Landing Signal Officer Landing Signals Officer Landing Support Officer Large Solar Observatory Launch Services Office Local Service Office landing safety officer laser safety officer Laser Shut Off lateral superior olive LESOTHO Line Signalling Oscillator Linux Standards Organization Local Serving Office London Symphony Orchestra Land Surveyors Online Landward Security Officer Large Send Offload lateral septal organ lateral superior olivary lateral superior olivary nucleus Launch Safety Officer Leadership Systems Organization left salpingo-oophorectomy left salpingoophorectomy left superior oblique Legal Services Office Legal Staff Officer Licensing Services Office Life Systems Officer
Landing Signal Officer
Landing Signals Officer