U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander, poses for a photo after his flight in an F-15D Eagle Dec. 2, 2016, on RAF Lakenheath, England. Torkelson had the chance to view the air refueling process from the eyes of the fighter pilot. (U.S. Air Force photo/Airman 1st Class Eli Chevalier)

An F-15D Eagle assigned to the 493rd Fighter Squadron takes off Dec. 2, 2016, from RAF Lakenheath, England. The jet carried U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander, on a familiarization flight in an F-15. (U.S. Air Force photo/Airman 1st Class Eli Chevalier)

An F-15D Eagle assigned to the 493rd Fighter Squadron takes off Dec. 2, 2016, from RAF Lakenheath, England. The jet carried U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander, on a familiarization flight in an F-15. (U.S. Air Force photo/Airman 1st Class Eli Chevalier)

A U.S. Air Force pilot from the 493rd Fighter Squadron prepares for a flight at RAF Lakenheath, England, Dec. 2, 2016, on RAF Lakenheath, England. Flying with the pilot was U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander. Torkelson flew in an F-15D Eagle to see the air refueling process from the eyes of a fighter pilot. (U.S. Air Force photo/Airman 1st Class Eli Chevalier)

U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander, tests his helmet before his flight in an F-15D Eagle Dec. 2, 2016, on RAF Lakenheath, England. Torkelson flew in an F-15 to see the air refueling process from the eyes of the fighter pilot (U.S. Air Force photo/Airman 1st Class Eli Chevalier)

U.S. Air Force F-15D Eagles assigned to the 48th Fighter Wing from RAF Lakenheath, England, fly in formation off of the wing of a KC-135 Stratotanker assigned to the 349th Air Mobility Wing from Beale Air Force Base, Calif., Dec. 2, 2016, over the Atlantic Ocean. The Eagle can be armed with combinations of different air-to-air weapons: AIM-120 advanced medium range air-to-air missiles on its lower fuselage corners, AIM-9L/M Sidewinder or AIM-120 missiles on two pylons under the wings, and an internal 20mm Gatling gun in the right wing root. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)

U.S. Air Force Lt. Col. Roland Tsui, left, 314th Air Refueling Squadron commander, and U.S. Air Force Capt. Jordan Paragoso, 314th ARS KC-135 Stratotanker pilot, from Beale Air Force Base, Calif., prepare for takeoff Dec. 2, 2016, on RAF Mildenhall, England. Members of the 314th ARS flew in a three-ship formation with KC-135s from the 351st Air Refueling Squadron. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)

A U.S. Air Force F-15D Eagle assigned to the 48th Fighter Wing from RAF Lakenheath, England, takes fuel from a KC-135 Stratotanker assigned to the 349th Air Mobility Wing from Beale Air Force Base, Calif., Dec. 2, 2016, over the Atlantic Ocean. U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander at RAF Mildenhall, England, flew with the 48th FW to experience their mission of providing worldwide responsive combat air power and support. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)

U.S. Air Force F-15D Eagles assigned to the 48th Fighter Wing from RAF Lakenheath, England, fly in formation off of the wing of a KC-135 Stratotanker assigned to the 349th Air Mobility Wing from Beale Air Force Base, Calif., Dec. 2, 2016, over the Atlantic Ocean. The F-15 Eagle is an all weather, extremely maneuverable tactical fighter designed to permit the Air Force to gain and maintain air supremacy over the battlefield. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)

An U.S. Air Force F-15C Eagle assigned to the 48th Fighter Wing from RAF Lakenheath, England, prepares to take fuel from a KC-135 Stratotanker assigned to the 349th Air Mobility Wing from Beale Air Force Base, Calif., Dec. 2, 2016, over the Atlantic Ocean. Both the F-15D and F-15C models are equipped with a Production Eagle Package which enables them to carry 2,000 pounds of additional internal fuel and have a maximum takeoff weight of up to 68,000 pounds. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)

U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander at RAF Mildenhall, England, takes a “selfie” in the back of an F-15D Eagle assigned to the 48th Fighter Wing from RAF Lakenheath, England, Dec. 2, 2016, over the Atlantic Ocean. Torkelson flew with the 48th Fighter Wing to experience first-hand their role in securing peace through strength. (U.S. Air Force photo by Col. Thomas Torkelson)

A U.S. Air Force F-15D Eagle, assigned to the 48th Fighter Wing from RAF Lakenheath, England, receives fuel from a KC-135 Stratotanker assigned to the 349th Air Mobility Wing from Beale Air Force Base, Calif., Dec. 2, 2016, over the Atlantic Ocean. U.S. Air Force Col. Thomas Torkelson, 100th Air Refueling Wing commander at RAF Mildenhall, England, flew in an F-15 as a part of a familiarization flight to enable him to experience what it’s like to receive fuel from a KC-135. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)