I will send a couple of slides to the above email.  Basics:

Urgent Requirements

–Combatant Command (CCMD)  or Other DoD Component Driven

–Urgent and compelling to prevent loss of life and/or mission failure during current operations

–Joint Staff J8 Deputy Director for Requirements (DDR) validates Joint Needs; DoD Components assess/validate other  urgent needs

Emergent Requirements

–CCMD Driven

–Supports accelerated acquisition of  capabilities needed for an anticipated or pending contingency operation

–VCJCS verifies, JROC validates