1946 -- On 1 May , 1st Tank Battalion was converted .
1946 -- On 1 May , 1st Tank Battalion was redesignated as the 1st Constabulary Squadron , and concurrently relieved from assignment to 1st Armored Division , and assigned to the 15th Constabulary Regiment .
1946 -- On 1 May , 1st Tank Battalion was converted and redesignated as the 1st Constabulary Squadron , and concurrently relieved from assignment to 1st Armored Division , and assigned to the 15th Constabulary Regiment .