fortified by the Italians prior to their invasion of Egypt in November 1940.

In addition to these prepared fortifications, there were a number of escarpments and cliffs to the south of Tobruk, providing substantial physical barriers to any advance on the port over land. Tobruk was also on a peninsula, allowing it to be defended by a minimal number of troops, which the Allies used to their advantage when the port was under siege. An attacker could not simply bypass