1. 
   Jumpmaster
   Jumpmasters are the expert Paratroopers in an Airborne unit who train and teach the military techniques for jumping from airplanes. They are responsible for transforming Soldiers who enter Army Airborne School into Paratroopers and managing Airborne jump operations in Airborne units across all bran...
   Found op http://en.wikipedia.org/wiki/Jumpmaster
   
   
2. 
   Jumpmaster
   Someone who has successfully attended a USPA Jumpmaster Certification Course. A jumpmaster has all of the privileges of an Instructor except that they cannot supervise a first jump course, sign off licenses, or manage a student program without an instructor's supervision
   Found op http://www.dropzone.com/safety/resources/handbook/gloss2.shtml
   
   

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