Crooks, Leonidas M., Jr., 1st Sgt

 Photo In Uniform   Service Details
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Last Rank
First Sergeant
Last Service Branch
Chemical Corps
Last Primary MOS
1607-Heavy Mortar Crewman
Last MOS Group
Infantry (Enlisted)
Primary Unit
1945-1945, 103rd Infantry Division
Service Years
1942 - 1945
Foreign Language(s)
Voice Edition

First Sergeant

One Service Stripe

Five Overseas Service Bars

 Last Photo   Personal Details 

146 kb

Home State
Year of Birth
This Military Service Page was created/owned by Brad Crooks-Family to remember Crooks, Leonidas M., Jr. (Leon), 1st Sgt.

If you knew or served with this Soldier and have additional information or photos to support this Page, please leave a message for the Page Administrator(s) HERE.
Contact Info
Home Town
Last Address
Not Specified

Date of Passing
Apr 12, 2014
Location of Interment
South Mound Cemetery - South Mound, Kansas
Wall/Plot Coordinates
Not Specified

 Official Badges 

Honorably Discharged WW II

 Unofficial Badges 

 Military Association Memberships
Veterans of Foreign Wars of the United States (VFW)WW II Memorial National Registry
  1945, Veterans of Foreign Wars of the United States (VFW) [Verified]5 - Assoc. Page
  2002, WW II Memorial National Registry4

 Additional Information
Last Known Activity
Not Specified
Other Comments:
The Second Chemical Mortar Battalion

The Second Chemical Mortar Battalion was a bastard unit, that was basically sent from division to division, as needed.  Often, the 4.2's would be on the line, and when the parent division was relieved, they would be sent to another.

Both Generals Mark Clark, and George Patton stated that they would never commit an infantry division to battle, without a 4.2 mortar Battalion attached, due the weapons effectiveness,  mobility and superb cover it provided for troop movements and advancements.

The battalion also found itself attached to other seperate units, such as the 517th Parachute Infantry Regiment and the 106th Cavalry Group. Also, it was attached to the Free French Army, the First French Army, and the French Forces of the Interior.

By the end of the war, the 2nd Chemical Mortar Bn, had 511 days on the front line, tying the 157th RCT of the 45th Infantry Divison, for the most time in combat, of any American unit in the European Theater of Operations 

The unit was in 7 battle campaigns, and had a total of 57 KIA
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 Enlisted/Officer Basic Training
Click here to see Training
  1942, Chemical Warfare School (Camp Sibert, AL), B3
 Unit Assignments/ Advancement Schools
2nd Chemical Battalion2nd Chemical Mortar BattalionFirst Army (1st Army)3rd Infantry Division
VI Corps5th Army (Fifth Army)II Corps34th Infantry Division
Army Ground Forces45th Infantry Division1st Armored Division36th Infantry Division
88th Infantry Division85th Infantry Division517th Parachute Infantry RegimentIV Corps
79th Infantry DivisionXV Corps100th Division (Institutional Training)HQ, 7th Army
106th Cavalry RegimentXXI Corps101st Cavalry Regiment70th Infantry Division
86th Infantry Division42nd Infantry Division1st Battalion, 409th Infantry 103rd Infantry Division
  1941-1945, 2nd Chemical Battalion
  1941-1945, 2nd Chemical Mortar Battalion
  1942-1943, First Army (1st Army)
  1943-1943, 3rd Infantry Division
  1943-1943, VI Corps
  1943-1944, 5th Army (Fifth Army)
  1943-1944, II Corps
  1943-1944, 34th Infantry Division
  1943-1945, Army Ground Forces
  1943-1945, 45th Infantry Division
  1944-1944, 1st Armored Division
  1944-1944, 36th Infantry Division
  1944-1944, 88th Infantry Division
  1944-1944, 85th Infantry Division
  1944-1944, 517th Parachute Infantry Regiment
  1944-1944, IV Corps
  1944-1944, 79th Infantry Division
  1944-1944, XV Corps
  1944-1944, 100th Division (Institutional Training)
  1944-1945, HQ, 7th Army
  1944-1945, 106th Cavalry Regiment
  1945-1945, XXI Corps
  1945-1945, 101st Cavalry Regiment
  1945-1945, 70th Infantry Division
  1945-1945, 86th Infantry Division
  1945-1945, 42nd Infantry Division
  1945-1945, HHC, 1st Battalion, 409th Infantry
  1945-1945, 103rd Infantry Division
 Combat and Non-Combat Operations
  1943-1943 WWII - European-African-Middle Eastern Theater/Sicily Campaign (1943)
  1943-1944 WWII - European-African-Middle Eastern Theater/Naples-Foggia Campaign (1943-44)9
  1944-1944 WWII - European-African-Middle Eastern Theater/Rome-Arno Campaign (1944)10
  1944-1944 WWII - European-African-Middle Eastern Theater/Southern France Campaign (1944)6
  1944-1945 WWII - European-African-Middle Eastern Theater/Rhineland Campaign (1944-45)11
  1944-1945 WWII - European-African-Middle Eastern Theater/Ardennes Alsace Campaign (1944-45)8
  1945-1945 WWII - European-African-Middle Eastern Theater/Central Europe Campaign (1945)29
 Reflections on Service
Please describe who or what influenced your decision to join the Army.
Whether you were in the service for several years or as a career, please describe the direction or path you took. What was your reason for leaving?
If you participated in any military operations, including combat, humanitarian and peacekeeping operations, please describe those which made a lasting impact on you and, if life-changing, in what way?
Of all your duty stations or assignments, which one do you have fondest memories of and why? Which was your least favorite?
From your entire military service, describe any memories you still reflect back on to this day.
What professional achievements are you most proud of from your military career?
Of all the medals, awards, formal presentations and qualification badges you received, or other memorabilia, which one is the most meaningful to you and why?
Which individual(s) from your time in the military stand out as having the most positive impact on you and why?
Can you recount a particular incident from your service, which may or may not have been funny at the time, but still makes you laugh?
What profession did you follow after your military service and what are you doing now? If you are currently serving, what is your present occupational specialty?
What military associations are you a member of, if any? What specific benefits do you derive from your memberships?
In what ways has serving in the military influenced the way you have approached your life and your career? What do you miss most about your time in the service?
Based on your own experiences, what advice would you give to those who have recently joined the Army?
In what ways has helped you remember your military service and the friends you served with.
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