Haapalah / Aliyah Bet

Dan Lener served as an escort with the last group of Aliyat haNoar.

Turda Tirza Blumenthal sailed with the first group of Aliyat haNoar, and met her future husband, Dan Lener.

Nahum Sarig, Dan Lener and Ithiel Amichai served as Commanders of the 1st Battalion of the Palmach פלמ"ח.
Nahum Sarig commanded the Negev for 2 months, prior to approval by high command, before establishment of the Negev Brigade חטיבת הנגב‎.
Nahum Sarig, appointed by Yigal Alon andd Gailili, was authorized establishment of brigade command, and assume command, as he was already commanding officer, but David Ben-Gurion campaigned to severe the Palmach פלמ"ח national command ties to its Negev units, and to replace Nahum Sarig, who was associated with MAPAM מפ"ם‎, and kibbutz Beit-haShita קיבוץ בית השיטה, one of the Tebenkin kibbutzim that rejected Ben-Gurion, with his own choice.

Dan Lener enlisted in the Palmach, and served first in the German Company, and then in the Parachutists.
He parachuted into Yugoslavia and was with Josef Broz Tito Јосип Броз Тито 's Partisans.

Dan Lener cites: "...באפריל 1944 המראתי מבארי והייתי הצנחן היחיד על המטוס. לפני צאתי עשיתי הכרה עם האזור אליו אצנח ע"י לימוד מדויק של המפה. הוטל עלי ליצור קשר עם המחתרת האוסטרית, לבצע פעילות מודיעינית עבור הבריטים, ולחפש אחר יהודים שנותרו בחיים בצפון איטליה ואוסטריה. עדין לא ידענו שכל יהודי האזור הושמדו. הטייס פחד להנמיך, והוריד אותי בגובה 11 אלף רגל, והצניחה ארכה מאוד. פרטיזנים מחיל טיטו אמורים היו לקבל אותי - הבאתי להם ציוד רב, אך לא נראה איש. כל הלילה חיכיתי. לפנות בוקר התחלתי לנוע. התקרבתי לבית ושמעתי קול: סטוי ! השתטחתי וחיכיתי...כשהעיר היום התקרבתי עם הטומיגן שלי אל הזקיף, בידו היה רק רובה, ואמרתי לו מי אני. הכוכב האדום שנעוץ היה בכובעו אישר לי, שהגעתי אל הפרטיזנים..."

Benny Morris cites: "On 19 April Palmah HQ ordered First Battalion OC Dan Lanner 'to destroy enemy bases in al Mazar,Nurisans Zir'in (in the Jezreeel Valley)..."
Dr. Uri Milstein cites: "Alon recommended continued attacks against Arab villages - so that the enemy will not be able to organize itself for a large scale attack; preventpassage of convoys secured by soldiers of the Arab-Jordanian Legion, because theyare endangering the settlements of the valley and Hula in particular; to occupy anddestroy the villages Zarin, Mokbila, Mazar and Nusi, on Mt. Gilboa and its foothills,and to take permanent control of Zarin and Mazar; to harass the town of Beit Shean – so that its inhabitants will have an incentive to flee; to occupy the villages Smaryaand Frauna to its south, to take control of ridges over Kaukav El Hava."
"Alon proposed that these actions be undertaken by the first battalioncommanded by Dan Lanner, whose bases were in the Jezreel Valley and the westernGalilee."

The Jewish Resistance Movement תנועת המרי העברי, or United Resistance Movement (URM), was an umbrella group for Jewish Resistance movements in the British Mandate of Palestine, led by Moshe Sneh and Israel Galili. and operated between 1945 and 1946.

On the Night of the Trains ליל הרכבות, or Operation Party מבצע מסיבה, approximately fifty Palmach units, including sappers and guards, sabotaged and damaged 153 points along the railroad lines in Palestine, primarily at railroad junctions and bridges.
The operations took place around 23:00PM, and were synchronized, to prevent a British response.
Shootings occured in only 2 places, but there were no casualties.

On the night of October 31, 1945, during the Night of the Trains ליל הרכבות, or Operation Party מבצע מסיבה, Shmuel 'Samek' Yanai led the squad that sabotaged the railroad track section between Zichron Yaacov זכרון יעקב and Binyamina בנימינה.

On the night the railway lines were sabotaged, Yoske Romanovsly Rom sabotaged the lines between Pardes Hanna and Hadera.
He also participated in the attack on the Sidna Ali Police Station

Dan Lener served as an operations Commander during the Night of the Trains ליל הרכבות.

On the night of February 22, 1946, four forces of the Haganah הגנה attacked four police stations which were manned by the British mobile police squads PMF.
The operation target the facilities, vehicles, and the reputation of the British police.

On February 22, 1946, at Shfaram שפרעם, the 1st Battalion גדוד ראשון of the Palmach פלמ"ח, commanded by Oded Messer destroyed police station building, and wounded five.

On February 22, 1946, at Kfar Vitkin כפר ויתקין, the 4th Battalion גדוד הרביעי of the Palmach פלמ"ח, commanded by Moshe Ben-Dror destroyed the fuel storage depot, four military trucks and several armored cars.

On February 22, 1946, at Jenin ג'נין, the 3rd Battalion גדוד השלישי of the Palmach פלמ"ח, commanded by Chaim Avinoam was discovered, and was forced to retreat.

On February 22, 1946, at Sharona שרונה, the 2nd Battalion גדוד השני of the Palmach פלמ"ח, and Chaish חי"ש חיל השדה, commanded by Danny Mat, was blew up the British arms depot, but four fighters were lost.

Yisrael Zack cites: "Our group was allowed to take part in the “Night of the Bridges” and we blew up the Sheikh Hussein Bridge over the Jordan, east of Maoz Chaim."

On the Night of th Bridges ליל הגשרים, Amnon Yonah served as Commander of the Palmach פלמ"ח squad that blew up the railway bridge over the Yarmuk River נהר הירמוך.

Chaya Kozlovsky served as radio operator at Ramot Naftali רמות נפתלי

Dan Lener served as an operations Commander during the Night of the Bridges ליל הגשרים.

Dan Lener served as Battalion Commander מפקד גדוד in the Yiftach Brigade חטיבת יפתח.

In 1950, Dan Lener was promoted to Colonel אלוף משנה, and appointed Commander מפקד of the Golani Brigade חטיבת גולני.

The reserve division led by Major General Dan Lener advanced in the central sector of Ramat haGolan רמת הגולן‎, where Syrian pressure along the Tapline pipeline route, rushed south-east to pushed the Syrian forces from Khusnyia.