Helsius, Marvin Theodore, MM2

Deceased
 
 Service Photo   Service Details
10 kb
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Last Rank
Petty Officer Second Class
Last Primary NEC
MM-3355-Submarine Nuclear Propulsion Plant - Mechanical
Last Rating/NEC Group
Machinists Mate
Primary Unit
1961-1963, MM-3355, USS Thresher (SSN-593)
Service Years
1959 - 1963
MM-Machinists Mate

 Last Photo   Personal Details 

104 kb

Home State
Ohio
Ohio
Year of Birth
1939
 
This Military Service Page was created/owned by Kent Weekly (SS/DSV) (DBF), EMCS to remember Helsius, Marvin Theodore, MM2.

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Contact Info
Home Town
Not Specified
Last Address
Portsmouth, NH

Date of Passing
Apr 10, 1963
 
Location of Interment
Not Specified
Wall/Plot Coordinates
Not Specified

 Official Badges 




 Unofficial Badges 






 Additional Information
Last Known Activity
Was a crewmember of USS THRESHER (SSN-593)

Most likely cause of the sinking was a failure in either a pipe, a pipe valve, or a hull weld, causing flooding near the engine room
   
Other Comments:
Lost onboard USS THRESHER (SSN-593)
   
 Photo Album   (More...


 Ribbon Bar
Submarine Enlisted Badge

 
 Enlisted/Officer Basic Training
  1959, Recruit Training (Great Lakes, IL)
 Duty Stations
RTC Great Lakes, IL (Company Commander/Staff)School Assignments - StaffSubmarine School Enlisted BasicNaval Nuclear Power Training Command (NNPTC)/Nuclear Power School (Staff), Bainbridge, MD
Nuclear Power Training Unit (NPTU) WindsorUSS Thresher (SSN-593)
  1959-1959, RTC Great Lakes, IL (Company Commander/Staff)
  1959-1960, Machinist Mate School
  1960-1960, MM-0000, Submarine School Enlisted Basic
  1960-1960, MM-0000, Naval Nuclear Power Training Command (NNPTC)/Nuclear Power School (Staff), Bainbridge, MD
  1960-1961, MM-0000, Nuclear Power Training Unit (NPTU) Windsor
  1961-1963, MM-3355, USS Thresher (SSN-593)
 Combat and Non-Combat Operations
  1961-1961 Training Exercise - NUSUBEX 3-61
  1962-1962 Training Exercise - NUSUBEX 2-62
  1963-1963 Sinking of the USS Thresher (SSN-593)
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