Algaard, Harold Lowell, WO1

 Photo In Uniform   Service Details
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Last Rank
Warrant Officer 1
Last Service Branch
Warrant Officer (pre-2004)
Last Primary MOS
101C-Fixed Wing Pilot Multi-engine
Last MOS Group
Transportation Corps (Officer)
Primary Unit
1970-1971, 101C, 224th Army Security Agency Battalion
Service Years
1970 - 1971

Warrant Officer (pre-2004)

Warrant Officer 1

 Last Photo   Personal Details 

15 kb

Home State
Year of Birth
This Military Service Page was created/owned by SGT James E. Reece, III (Team Leader, Vietnam Profiles) to remember Algaard, Harold Lowell, WO1.

If you knew or served with this Soldier and have additional information or photos to support this Page, please leave a message for the Page Administrator(s) HERE.
Casualty Info
Home Town
Fosston, MN
Last Address
Fosston, MN

Casualty Date
Mar 04, 1971
Hostile, Died while Missing
Air Loss, Crash - Land
Vietnam War
Location of Interment
King-Landstad Cemetery - Fosston, Minnesota
Wall/Plot Coordinates
04W 020 / Plot 7 *Cenotaph Memorial Stone

 Official Badges 

 Unofficial Badges 

 Military Associations and Other Affiliations
Vietnam Veterans MemorialThe National Gold Star Family Registry
  1971, Vietnam Veterans Memorial - Assoc. Page
  2018, The National Gold Star Family Registry

 Photo Album   (More...

 Ribbon Bar

Aviator Badge (Basic)

 Unit Assignments/ Advancement Schools
138th Aviation Company509th Radio Research  Group224th Army Security Agency Battalion
  1970-1971, 101C, 138th Aviation Company
  1970-1971, 509th Radio Research Group
  1970-1971, 101C, 224th Army Security Agency Battalion
 Combat and Non-Combat Operations
  1970-1971 Vietnam War/Counteroffensive Phase VII Campaign (1970-71)
 Additional Information
Last Known Activity
Aircraft and crew lost on an morning mission over the DMZ aboard a JU-21A (#67-18062).


On March 4, 1971 Capt. Michael W. Marker, pilot of a JU21-A twin engine turbo prop (serial number 67-18065, call sign Vanguard 216) departed Phu Bai, Republic of Vietnam on an early morning combat support mission in the vicinity of the Demilitarized Zone (DMZ).
Capt. Michael W. Marker, pilot
WO1 Harold L. Algaard, co-pilot
SP5 Rodney D. Osborne, technical observer
SP5 Richard J. Hentz, crewman
SP6 John T. Strawn, crewman

The pilot and crew were assigned to the 138th Aviation Company, 224th Aviation Battalion, 509th RR (Radio Research) Group, a cover designation for their real unit in USASA."Radio Research" was actually a secret cover designation for certain units operating under the direction of the U.S. Army Security Agency Group, Vietnam. All missions of this agency were highly classified. The 224th Aviation Battalion was referred to as an aviation battalion in Vietnam for security reasons only. The JU-21A aircrew's actual unit designation was 138th ASA Company, 224th ASA Battalion (Aviation), U.S. Army Security Agency Group, Vietnam.

Two hours into the mission, at 0840 hours, radio and radar communication was lost. When the aircraft failed to return from the mission at the appointed time, search efforts were initiated and continued for 2 days over a 300 mile area, but proved negative.

A reliable source indicated that an aerial detonation in the vicinity of the DMZ occurred on March 4, 1971 at the same flight altitude and pattern flown by Vanguard 216. Hostile threat in thearea precluded any visits to the suspected area of the crash. No trace was ever found of the aircraft or the crew.

WO1 Algaard was married.  A family memorial stone is in the King-Landstad Cemetery, Fosston, Minnesota.

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