bridgehead Synonyms

foothold battle zone toehold railhead vantage point battle stations advance guard staging area front line battle line active combat zone area of combat operations battle position battle lines battle area arena of war area where opponents meet area where opponents clash area of military operations area of military operation jumping-off point avant-garde footing battle bastion basis base background acropolis aceldama front line backbend beachhead stronghold springboard spearhead post position outpost abutment