Highlights in this issue include a conversation with UAS CTO Andrea Maccapani and an insight into UGV's. Dossiers on the IXblue DriX and the sky Power hybrid system, as well as a look at the Planck Aero Sherwater. In Operation looks at the Delft Dynamics RH4 and show reports from IDEX 2019 and Oceanology Americas 2019. A digest on the StreetDrone Twizy as well as focus articles covering maintenance and ground control systems.