Highlights in this issue include a cover story on Reference Technologies' Hummingbird XRP along with focus articles on Gimbals and Performance Monitoring. Nick Colosimo of BAE Systems gives his thoughts on the future of UAVs, we report back from AUVSI Xponential, have a dossier on O'Neill Power Systems NorEaster, we have an insight into UAVs and look at the Kratos Defense ATMA.

Highlights in this issue include a conversation with FLIR's Tom Frost, dossiers on the Tecdron TC-800 FF and the Robby Moto UAVE as well as a look at the Teledyne SeaRaptor. An insight into USV's and we look at the Singular Aircraft FlyOx. Show reports from AUVSI Xponential 2019 & Ocean Business 2019 as well as focus articles covering propellers, simulation and testing.

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.

Highlights in this issue include a conversation with DroneUps' CTO John Vernona and UpVision in operation. Dossiers on the XOcean XO-450 and the BMPower fuel cell system, as well as an insight into space systems. We look at The Small Robot Company and the Prismatic HALE UAV. A show report from InterDrone 2018 as well as focus articles covering radar systems and navigation systems.