PI WILL ASSIST IN WRITING THE SCIENCE SECTIONS OF THE PAPER "TITAN'S TOPSIDE IONOSPHERIC COMPOSITION: CAPS IMS MEASUREMENTS." THIS PAPER WILL PRESENT THE FIRST ATTEMPT TO UNDERSTAND TITAN'S IONOSPHERIC COMPOSITION USING BOTH THE STRAIGHT THROUGH (ST) AND LINEAR ELECTRIC FIELD (LIF) TIME OF FLIGHT (TOF) ION MASS SPECTROMETER (IMS) OBSERVATIONS.