What this RIG thingy means?
A: When you on a cliff etc. Where copter cant land to pick up because of the rough terrain, they invented RIG in Vietnam war, that helicopter lowers the rappeling rope when the squad tightens themselves to rope by RIG.
This is the modern version of the RIG:
YouTube - SPIE RIG
Wouldnt it bee cool to hang out 50ft below the bird
Asked some veteran of Vietnam about this, He told me that he did that 2 times. Hell of an ride.

