Selected papers: Plasma effects of active ion beam injections in the ionosphere at rocket altitudes, R. L. Arnoldy et al. Electron beams and their interactions with the ionosphere - a review of the EIIB series, P. J. Kellogg. Spatial coherence and electromagnetic wave generation during electron beam experiments in space, P. L. Pritchett. Recent experimental measurements of space platform charging at LEO altitudes, W. J. Raitt et al. High voltage spheres in an unmagnetized plasma: fluid and PIC simulations, H. Thiemann et al. A one-dimensional model of DC electric field generation at neutral gas release experiments, K. Baumgartel & K. Sauer.;Remote sensing of artificial luminous clouds by lidars, O. F. Klyuev et al. Modulation of the background flux of energetic particles by artificial injection, V. N. Oraevsky et al. Investigation of magnetospheric processes with the use of a source of strong magnetic field in the ionosphere, A. S. Biryukov et al. Field formation around negatively biased solar arrays in the LEO-plasma, H. Thiemann & R. W. Sch;nk. Author Index.