CREATE TABLE table_73071 ("Date" TEXT, "B-52 Model" TEXT, "Serial #" TEXT, "Unit" TEXT, "Bomb Capacity" TEXT, "Mission/Target" TEXT, "Cause of Loss" TEXT)

When same target; linebacker ii offensive is the same target what is the unit?
SELECT "Unit" FROM table_73071 WHERE "Mission/Target" = 'Same target; Linebacker II Offensive'
SELECT "Unit" FROM "table_73071" WHERE "Mission/Target" = 'Same target; Linebacker II Offensive'