 After the events of the September 11, 2001 attacks, Ellsworth deployed a number of B-1s in support of Operation Enduring Freedom.Aircraft from the 37th BS at Ellsworth AFB joined additional B-1s from the 34th BS at Mountain Home AFB and formed the 34th Expeditionary Bomb Squadron.This squadron, along with other elements from Ellsworth, deployed to Diego Garcia and joined the 28th Air Expeditionary Wing.