WE PROPOSE A THREE YEAR PROGRAM THAT INCLUDES A SINGLE FLIGHT OF THE AESOP-LITE BALLOON INSTRUMENT WITH THE GOAL TO EXPLORE THE ORIGIN OF THE NEGATIVE SPECTRAL INDEX IN THE COSMIC RAY ELECTRON SPECTRUM BELOW 100 MEV WHICH HAS BEEN A MYSTERY SINCE COSMIC RAY ELECTRONS WERE DISCOVERED IN ~1960. TO ACCOMPLISH THIS OBJECTIVE WE WILL ATTACK THE PROBLEM FROM TWO FRONTS. FIRST IT IS NECESSARY TO MAKE A SERIES OF MEASUREMENTS OF ELECTRONS IN THE ENERGY RANGE OF 20MEV TO 300MEV WITH THE AESOP-LITE INSTRUMENT WHICH WILL SPAN A MAGNETIC SOLAR CYCLE. THIS DATA WILL PROVIDE A CLEAN CALIBRATED REFERENCE AT 1AU TO BE COMPARED WITH VOYAGER ELECTRON OBSERVATIONS FROM INTERSTELLAR SPACE. VOYAGER I AND II ARE CURRENTLY RETURNING ELECTRON SPECTRA ROUGHLY WITHIN THIS ENERGY RANGE (<160MEV). SECOND WE WILL MAKE SIMULTANEOUSLY MEASUREMENTS OF THE POSITRON FRACTION IN THE ELECTRON FLUX WITHIN THIS LOW ENERGY REGIME USING THE SAME INSTRUMENT. POSITRON ABUNDANCES IN THIS ENERGY RANGE SHOULD BE HIGHLY DIAGNOSTIC OF THE PARTICLE ORIGIN. IT IS ALSO IMPORTANT TO NOTE THESE ELECTRON ENERGIES ARE NOT OBSERVABLE BY THE AMS AND PAMELA INSTRUMENTS. HUBER (1998) SYSTEMATICALLY ANALYZED A COMPREHENSIVE DATA SET OF MEASUREMENTS OF LOW ENERGY ELECTRON SPECTRA WITH THREE BASIC CONCLUSIONS NONE OF WHICH COULD BE MADE TRULY QUANTITATIVE: (1) THE SPECTRUM EXHIBITS A PERSISTENT NEGATIVE SLOPE (2) SENSITIVITY TO SOLAR MODULATION IS MUCH LESS THAN MIGHT BE EXPECTED BY EXTRAPOLATION FROM HIGHER ENERGY ELECTRONS AND COMPARISON WITH SIMILAR ENERGY NUCLEONS AND (3) THERE IS LITTLE OR NO EVIDENCE FOR CHARGE SIGN DEPENDENCE IN THE BEHAVIOR. ALL OF THESE CONCLUSIONS ARE FULLY SUPPORTED BY THE DATA AND WITH THIS PROPOSAL WE HOPE TO LAUNCH A NEW SERIES OF MEASUREMENTS OF LOW ENERGY ELECTRONS AND POSITRONS THAT WILL MAKE THESE INFERENCES QUANTITATIVE. TO ACHIEVE THIS GOAL WE PLAN TO CONTINUE BALLOON FLIGHTS OF THE AESOP-LITE PAYLOAD DURING DIFFERENT STAGES OF SOLAR CYCLE. THE FIRST FLIGHT OF AESOP-LITE LAUNCHED MAY 15 2018 FROM THE ESRANGE SPACE CENTER IN NORTHERN SWEDEN. THE INSTRUMENT UTILIZES SCINTILLATOR DETECTORS A GAS CERENKOV DETECTOR AND A MAGNETIC SPECTROMETER TO IDENTIFY THE PARTICLE TYPE AND DETERMINE ITS ENERGY. THE PAYLOAD PERFORMANCE HAS BEEN EXCELLENT AND PRELIMINARY ANALYSIS OF THE TELEMETRY DATA LOOKS PROMISING. WE LOOK FORWARD TO THE ANALYSIS OF THE FULL DATA SET AND ANTICIPATE SCIENCE AND INSTRUMENTATION PUBLICATIONS WITHIN THE YEAR. BASED ON DESIGNED ROBUSTNESS OF THE INSTRUMENT WE EXPECT THE RESTORATION OF THE PAYLOAD TO REQUIRE MINIMUM EFFORT. HUBER D.M. ``SOLAR MODULATION OF 50-500 MEV COSMIC RAY ELECTRONS AND THE ELECTRON SPECTRUM FROM 1964-1994'' PH.D. THESIS UNIVERSITY OF DELAWARE 1998.