Controlling these would give opposition forces, and American planes and ground units, a forward base inside Afghanistan and a useful military resupply route.
Two large warehouses were built next to the line, which became the principal resupply route for the fort.
Rebel forces were frequently using the border region as a way to evade capture by Gaddafi forces, as well as a principal resupply route.
The unit was crucial in the defence of Dubrovnik, providing a resupply route for the Dubrovnik population and troops defending the besieged city.
This was a critical resupply route for British forces operating from Egypt.
They say they believe that the guerrillas' new strategy is to strangle the resupply route to Jalalabad and force the garrison to capitulate.
On the southwest quadrant, adjacent to Sector D, is the main resupply route.
"This was a legitimate military target on a key north-south resupply route for the Federal Republic of Yugoslavia military and special police operations."
In the 1991 war against Iraq, a soldier falsified a report on whether a resupply route from Saudi Arabia into Iraq was free of mines.
The sound today serves as a resupply route for cargo ships and for airplanes that land on the floating ice airstrips near the McMurdo Station.