General Atomics testing airborne recovery tow line for small UAS

https://www.flightglobal.com/military-uavs/general-atomics-testing-airborne-recovery-tow-line-for-small-uas/155314.article 

The tow cable, being developed in partnership with helicopter winch manufacturer Breeze-Eastern, would allow large uncrewed aerial vehicles to recover smaller aircraft while in flight for either refit or return to base.