It was inactivated on 15 March 1987 .
On 31 December 1972 Troop E was reactivated as a separate air cavalry reconnaissance troop and assigned to the 172nd Infantry Brigade at Fort Wainwright , Alaska .
Troop E was inactivated on 15 March 1987 .
On 31 December 1972 Troop E was reactivated as a separate air cavalry reconnaissance troop and assigned to the 172nd Infantry Brigade at Fort Wainwright , Alaska .