1. LTA ‘aircraft carriers’ of persistent, cheap microweaponized UAV swarms for fleet BMD overwatch, EW and wide-area ASW/surveillance;Bosma,2017
2. Lighter-Than-Air (LTA) “AirStation” Unmanned Aircraft System (UAS) carrier concept;Hochstetler,2016
3. In-flight deployment of morphing UAVs – a method to analyze dynamic stability, controllability and loads;Voskuijl,2019
4. Anonymous, Gremlins on track for demonstration flights in 2019 [online video], https://www.darpa.mil/news-events/2018-05-09 (retrieved 19 October 2018).