The 4039th (and later the 416th) continued to maintain an alert commitment until December 1991. On 1 April 1961 the wing was reassigned from the 820th to the 6th Air Division, which was activated at Dow.
The 4039th (and later the 416th) maintained a steadfast commitment to readiness until December 1991. The wing's reassignment from the 820th to the 6th Air Division on April 1, 1961, marked a significant shift in its operational focus.