odds on its a UAS student...
and if they are selling the equipment provided one would hope that they have either left their squadron with no desire to fly military hardware anymore or, more likely, have been chopped due to an insufficient ability to fly - and are now persuing a some what dubious "Trotteresque" career.
Lets just hope whoever it is isn't currently, or won't ever be, an "honest" full time memeber of HM services!