Looks more like an airliner for training.
SAD_SOG = Special Activities Division (SAD) _ Special Operations Group (SOG)
GIANT KILLER = https://en.wikipedia.org/wiki/Giant_Killer_(call_sign)
WHINSEC = Western Hemisphere Institute for Security Cooperation
JITC = Joint Interoperability Test Command
682ASOS = 682 Direct Air Support Operations Squadron
ISA = ? https://en.wikipedia.org/wiki/Intelligence_Support_Activity
1SFOD-D = 1st Special Forces Operational Detachment-Delta = Delta Force
ERs = ? Extraordinary Renditions
HVTs = High Value Targets