Close Quarter Battle is a series looking at how the military, police, private contractors and terrorist and criminal organisations approach modern warfare.
US Special Forces veteran Terry Schappert takes us inside close quarter battle scenarios
One has the distinction of being the shortest war ever waged…
With video technology becoming mainstream the Vietnam war was documented like no other.
Telling the real stories of the CIA's covert operations.
See how the invasion of Kuwait by Saddam Hussein's Iraq started the Gulf War
See all about the battle over British control of the land once known as Las Malvinas
Have inquiries into more recent civil disasters brought about meaningful change?
Find out more about the world's specialist forces with this Black Ops clip.
How many of Kessler's past secrets have you uncovered? Test your knowledge with our quiz