with Adolf Hitler's order of 11 September 1943 to execute captured Italian officers. On 12–16 November 1943 the III Battalion, 10th Infantry Regiment "Regina" and British forces, defended Leros during the Battle of Leros against the Germans, but had to surrender once the ammunition was exhausted. The last Italian forces to surrender was the garrison of Samos, which surrendered to the German on 22 November 1943 after prolonged aerial bombardment. Organization 50th Infantry Division "Regina", on Rhodes 9th Infantry Regiment "Regina", on Rhodes Command Company 4x Fusilier battalions (IV Battalion transferred to the 309th Infantry Regiment "Regina" on 15 May 1942, one battalion on Karpathos) Support Weapons Company (65/17 infantry support guns) 1st Mortar Company (81mm Mod. 35 mortars) 2nd Mortar Company (81mm Mod. 35 mortars) 10th Infantry Regiment "Regina", on Kos Command Company 4x Fusilier battalions (IV Battalion transferred to the 309th Infantry Regiment "Regina" on 15 May 1942, one battalion on Leros) Support Weapons Company (65/17 infantry support guns) 1st Mortar Company (81mm Mod. 35 mortars) 2nd Mortar Company (81mm Mod. 35 mortars) 309th Infantry Regiment "Regina", on Rhodes (raised on 20 March 1942, arrived in Rhodes on 15 May 1942) Command Company I Fusiliers Battalion (former IV Fusiliers Battalion/ 9th Infantry Regiment "Regina") II Fusiliers Battalion (former IV Fusiliers Battalion/ 10th Infantry Regiment "Regina") III Fusiliers Battalion (former III Fusiliers Battalion/ 265th Infantry Regiment "Lecce" of the LI Special Brigade) Support Weapons Company (65/17 infantry support guns) Mortar Company (81mm Mod. 35 mortars) 331st Infantry Regiment "Brennero", on Rhodes (raised on 1 November 1941 by the 11th Infantry Division "Brennero", joined the Regina on 24 October 1942) Command Company 3x Fusilier battalions Support Weapons Company (47/32 infantry support guns) Mortar Company (81mm Mod. 35 mortars) 50th Artillery Regiment "Regina" Command Unit I Group (149/12 howitzers) II Group (75/27 field guns) III Group (75/27 field guns) 322nd Anti-aircraft Battery (20/65 Mod. 35 anti-aircraft guns) Ammunition and Supply Unit L Mortar Battalion (81mm Mod. 35 mortars) L Mixed Engineer Battalion (formed in 1943) 23rd Anti-tank Company (47/32 anti-tank guns; transferred from the 23rd Infantry Division "Ferrara" in 1942) 50th Anti-tank Company (47/32 anti-tank guns) 91st Engineer Company (entered the L Mixed Engineer Battalion in 1943) 46th Telegraph and Radio Operators Company (entered the L Mixed Engineer Battalion in 1943) 250th Engineer Company (assigned to the division in 1942, entered the L Mixed Engineer Battalion in 1943) 550th Field Post