66-16624
| July 1967-1970 | Assigned to the 61st Assault Helicopter Company (AHC) in Vietnam. |
| 21 March 1969 | Damaged by enemy mortar fire. Recovered and repaired. |
| 19 April 1970 | Damaged by enemy ground fire. Recovered and repaired. |
| 25 April 1970 | Damaged by enemy mortar fire. Recovered and repaired. |
| Stayed in the fight in Vietnam until October 1970 amassing 1,655 Combat Hours flown. | |
| 1970-1971 | Assigned to the University of Michigan, Office of Naval Research, Pensacola, FL. |
| 1971-1983 | Assigned to numerous units in Germany including 3rd Aviation Battalion Combat (ABC); VII Corps Aviation; 349th Aviation Company; 48th Aviation Company; 223rd Aviation Battalion; and HHT, 2nd Armored Cavalry Regiment. |
| 1983-1986 | Assigned to U.S. Army Aviation Center (USAAVNC), Ft Rucker, AL. |
| 1986-1988 | Assigned to 2nd Infantry Division, Camp Casey, Korea. |
| 1989-2003 | Assigned to the Alabama Army National Guard. |
| 2004-Present | Acquired by the Army Aviation Heritage Foundation and restored back to her 61st AHC paint scheme. |
68-16104
| 1969-1971 | Sent new from the factory to Vietnam and served with 191st Assault Helicopter Company. - 191st slogan/nickname was the 'Boomerangs' because boomerangs always come back! |
| 1971-1975 | Served with 5th Army at Ft Sam Houston, San Antonio, TX. |
| 1976-1995 | Served with the Alabama Army National Guard at Ft Rucker, AL. |
| 1995-1998 | Retired and placed in storage. |
| 1998-Present | Acquired by the Army Aviation Heritage Foundation, restored, and FAA certified. |
| Painted with colors of A Company, 229th Assault Helicopter Battalion (AHB), the largest AHB in the Army at the time. |
70-16426
| 1971-1988 | Assigned to 25th Aviation Battalion, 25th Infantry Division, Schofield Barracks, HI. |
| 1989-2001 | After a rebuild at the Corpus Christi Army Depot, TX, 426 served with the Louisiana Army National Guard. |
| 2002-Present | Transferred to the Army Aviation Heritage Foundation. |
| Restored to flyable condition and in the original paint scheme. | |
| The Sky Soldiers sometime display 426 with the Red Medical Cross in honor of the famous Huey Dust-Off Medical Evacuation (MEDEVAC) aircraft of the Vietnam War. |
69-15354
| May 1970 | Assigned to A Company (the Comancheros), 101st Aviation Group, 101st Airborne Division (Airmobile), Camp Eagle, South Vietnam. |
| 1971-1975 | The aircraft sustained major damage after a hard landing at Camp Eagle in July 1971. The aircraft was repaired and stayed in the fight until the U.S. withdrawal in 1975. |
| 1976-1986 | Assigned to Ft Ord, CA. |
| 1986-1992 | Assigned to 1st Aviation Regiment, Ft Riley, KS. |
| 1992 | Deployed to Operation Desert Shield / Desert Storm with 4th Battalion, 1st Aviation Regiment, 1st Infantry Division, during the period April-July 1992. |
| This qualified the aircraft as a rare two-conflict veteran with over 1500 combat flight hours. | |
| 1992-1998 | Returned from the Middle East in July 1992 to Ft Riley, KS, where she served until December 1998. |
| 1998-Present | Acquired by the Army Aviation Heritage Foundation and restored back to her original "Comanchero", 101st Airborne Division designation. |
