Col. Michael Valle, former 601st Air Operations Center commander, passes the ceremonial flag to Lt. Gen. Marc Sasseville, Continental U.S. North American Aerospace Defense Command Region - First Air Force (Air Forces Northern) commander, during the 601st AOC change of command ceremony at Tyndall Air Force Base, Florida on Sept. 26, 2019. The passing of the flag symbolizes Valle's passing of command to Col. Greg Krane, the new commander of the 601st AOC. (U.S. Air Force photo by Senior Airman Cheyenne Larkin)

Col. Greg Krane, 101st Air and Space Operations Group commander, takes the ceremonial flag from Lt. Gen. Marc Sasseville, Continental U.S. North American Aerospace Defense Command Region - First Air Force (Air Forces Northern) commander, during the 601st Air Operations Center change of command ceremony at Tyndall Air Force Base, Florida on Sept. 26, 2019. The passing of the flag symbolizes Krane's acceptance of command of the 601st AOC. (U.S. Air Force photo by Senior Airman Cheyenne Larkin)

In support of Foreign Disaster Relief efforts in the Bahamas, a U.S. Air Force assessment team member conducts an aerial assessment of Grand Bahama airfield, Sept. 4, 2019. The team will evaluate airfields in The Bahamas to determine if they can safely reopen to receive aircraft providing humanitarian assistance. The Secretary of Defense authorized U.S. Northern Command to provide transportation logistics for the movement of USAID and third party humanitarian commodities and personnel throughout the region and to conduct assessments of critical transportation nodes to facilitate the delivery of humanitarian assistance and maximize the flow of disaster relief into the area. (U.S. Air Force photo by Tech. Sgt. Liliana Moreno)

In support of Foreign Disaster Relief efforts in the Bahamas, a U.S. Air Force MRZR tactical vehicle is loaded onto a Marines Corps MV-22 Osprey at Homestead Air Reserve Base, Florida, Sept. 4, 2019. The MRZR will allow a joint airfield assessment team to rapidly evaluate the condition of airfields throughout The Bahamas. The Secretary of Defense authorized U.S. Northern Command to provide transportation logistics for the movement of USAID and third party humanitarian commodities and personnel throughout the region and to conduct assessments of critical transportation nodes to facilitate the delivery of humanitarian assistance and maximize the flow of disaster relief into the area.(U.S. Air Force photo by Tech. Sgt. Liliana Moreno)

In support of Foreign Disaster Relief efforts in The Bahamas, a U.S. Air Force airfield assessment team forward deployed to Homestead Air Reserve Base, Florida, Sept. 4, 2019. The assessment team will evaluate airfields throughout The Bahamas to determine if they can safely reopen to receive aircraft providing humanitarian assistance to the region. The Secretary of Defense authorized U.S. Northern Command to provide transportation logistics for the movement of USAID and third party humanitarian commodities and personnel throughout the region and to conduct assessments of critical transportation nodes to facilitate the delivery of humanitarian assistance and maximize the flow of disaster relief into the area. (U.S. Air Force photo by Tech. Sgt. Liliana Moreno)

In support of Foreign Disaster Relief efforts in The Bahamas, Airmen from the U.S. Air Force’s Crisis Response Group board a Marine Corps MV-22 Osprey from the Navy’s USS Bataan at Homestead Air Reserve Base, Florida, Sept 4, 2019. U.S. Northern Command, its component and subordinate commands, and the military services are actively supporting the U.S. Agency for International Development (USAID) by providing humanitarian assistance to the population of The Bahamas as a result of damage caused by Hurricane Dorian. (U.S. Air Force photo by Technical Sgt. Lionel Castellano)