The Fall of Yavin 4

The Fall of Yavin 4 is the fifth, of nine, campaign missions set in the Galactic Civil War in Pandemic Studios' Star Wars: Battlefront. It is set on the Yavin 4 map Yavin 4: Temple.

In-game description
Yavin 4 is no longer safe as a base. An Imperial Strike Force is making its way to the Great Temple.
 * Delay The Imperials for as long as possible while the bulk of our Forces escape
 * Use the Vanguard to Deploy Mines along the paths to the Temple.