Operation Highjump: Four USN personel were killed during Operation Highjump.  They were the first Americans killed in Antarctica after World War Two. I have listed the Highjump casualties, but this spreadsheet deals mainly with those American personnel and Kiwis killed in Antarctica during the period when the Navy was in operational control of Operation Deep Freeze from (1955–1999). 

Title                 Name                    Acty             Date             Details/Comments 

Ensign "Maxwell A. Lopez, USN—USS Pine" Island 30 Dec 46 
ARM1* "Wendell K. Henderson, USN " Ditto 30 Dec 46 "
AMM1* "Frederick W. Williams, USN" Ditto 30 Dec 46 
PBM-5 (George I) Crash. CO of Pine Island was aboard and survived the crash. The other survivors were medevac'd home but the CO had to stay and finish the operation. Frederick died two hours after the crash. 

SN "Vance N. Woodall, USN" USS Yancey 46–47 
Ship unloading accident during Highjump (Polar Times June 47) 

LT "John P. Moore, USNR" USS Atka 22 Jan 55
Helo Pilot. Killed in Helo crash at Kainan Bay near Little America. Pre DF site survey. (Polar Times June 55)

CD3 "Richard T. Williams, USN " CB Spec 1 Jan 56 
Tractor broke through ice at McMurdo. Williams Field named in his honor.

CD3 "Max R. Kiel, USN" CB Spec 5 Mar 56 
Tractor fell into crevasse en route from Little America to establish Byrd Station. 
(Polar Times June 56)

LT "David W. Carey, USNR" VX-6 18 Oct 56
Capt "Rayburn A, Hudman, USMC" VX-6 18 Oct 56 Ditto
AD1 "Marian O. Marze, USN" VX-6 18 Oct 56 Ditto
AT1 "Charles S. Miller, USN" VX-6 18 Oct 56 Ditto
P2V crash at McMurdo during whiteout. Three killed. Hudman dies later.

CD "Ollie B Bartley, USN" CB Spec 14 Jan 57 
Weasel went through ice at Hut Point.

AD2 "Nelson R. Cole, USN" VX-6 12 Jul 57
From burns in helo crash in vicinity of McMurdo during austral winter.
(Polar Times Dec 57)

SA "Richard T. Oppegaard, USN " ?? 8 Nov 57 
Shipboard Accident.

A C-124 en route from CHCH crashed in Admiralty Mountains on way to 
make a mail drop at Hallett Station.. The Globemaster got lost and 
crashed into a mountain. The aircraft was loaded with 8 tons of 
construction timbers. The seven men on the flight deck survived. 
The six men in the cargo area of the aircraft perished. 
SSGT "Leonard M. Pitkevitch, USAF" 52nd TCS 16 Oct 58
TSGT "Iman E. Fendley, USAF" 52nd TCS 16 Oct 58
TSGT "Nathaniel Wallis, USAF" 52nd TCS 16 Oct 58 
A1C "Richard De Angelo, USAF" 52nd TCS 16 Oct 58
A2C "Robert L. Burnette, USAF" 52nd TCS 16 Oct 58
A2C "Kelly Sloan, USAF" 52nd TCS 16 Oct 58 Ditto

LT "Harvey E. Gardner, USN" VX-6 4 Jan 59 
Otter take off at Marble Point. (Polar Times June 59)

LTJG "Lawrence J. Farrell, USN " VX-6 4 Jan 59 Ditto

LT "Tom Couzens, Armored Corps" NZA 19 Nov 59 Crevasse accident. 
(Polar Times Dec 59) 

BU "Paul V. O'Leary, USNR" ASA 28 Nov 59 
Accidental Poisoning. Drank methyl alcohol at a party.

SW1 "Orlan F. John, USN" ASA 2 Nov 60 
Accidential explosion at McMurdo.

P2V Neptune crash and burn on take-off from Wilkes Station. A range of mountains was named after Dr. Thiel. The other victims have individual mountains in this range named for them. (Polar Times Dec 61) 
Civilian Edward C. Thiel — Seismologist USARP 9 Nov 61
LCDR "William D. Counts, USN — Pilot" VX-6 9 Nov 61
JTJG "Romauld P. Compton, USN" VX-6 9 Nov 61 
AMH1 "William W. Chastain, USN" VX-6 9 Nov 61 Ditto
ADR2 "James L. Gray, USN" VX-6 9 Nov 61 Ditto

Civilian Carl R. Disch — Ionospheric Phy. USARP 8 May 65 
Disappeared at Byrd Station. 

LC-47 crash on Ross Ice Shelf
LCDR "Ronald Rosenthal, USN — Nav" VX-6 2 Feb 66
LT "Harold M. Morris, USN — Pilot" VX-6 2 Feb 66 
LT "William D. Fordell, USN — Co-pilot" VX-6 2 Feb 66 
AT1 "Richard S. Simmons, USN" VX-6 2 Feb 66 
ADR2 "Wayne M. Shattuck, USN" VX-6 2 Feb 66 
ADJ3 "Charles C. Kelley, USN" VX-6 2 Feb 66 

SK2 "Andrew B Moulder, USN" ASA 13 Feb 66
Crushed between Herc ramp and cargo sled at South Pole.

VX-6 Helo crash near Mount McLennan. Six survivors. Helo slid 700 ft after crashing. Berg wintered at McMurdo during DF–61
Civilian Jeremy Sykes — NZ film director NZARP 19 Nov 69 
Civilian Thomas E. Berg — Geologist USARP 19 Nov 69 

ADC "William D. Decker, USN " VXE-6 11 Oct 71
Died in his sleep at McMurdo CPO Quarters. Decker was VXE-6 LCPO.

Civilian Wolf V. Vishniac — Microbilogist USARP 11 Dec 73 
Fell off mountain in Asgard Range

Civilian Greg Nickell — Lab Manager USARP 15 May 74 
Truck wreck between McMurdo & Scott Base. Truck rolled down 600 foot cliff.

Civilian Jeffrey D. Rude — Oceanographer USARP 12 Oct 75
Drowned when tracked vehicle broke through ice in McMurdo Sound. 

SN "Gerald E. Reily, Jr., USCG" Glacier 22 Jan 76 
Electrocuted aboard ship while operating in Amundsen Sea. 43rd U.S. fatality since 1946 (PT June 76)

?? "Raymond C. Porter, USCG" ?? 8 Feb 79 
Offloading USNS Bland, forklift he was operating turned over and crushed him.

Civilian Casey A. Jones — H&N USARP 9 Jan 80 
Cook at South Pole Station. A column of snow/ice fell on him while in intake shaft.
Cremated in New Zealand and remains dumped on the Beardmore Glacier.

BM1 "Raymond T. Smith, USN " ChapGru 8 Feb 82 
Knocked overboard while offloading SS Southern Cross. His hardhat 
was made into a memorial.

Civilian Matthew M. Kaz — ITT Employee USARP 23 Nov 86 
Civilian John E. Smith — ITT Employee USARP 23 Nov 86 
Fell in crevasse while walking two miles east of McMurdo.

Civilian Mark T. MacMillian — Diver USARP 14 Nov 87 
Diving accident at McMurdo. 50th American line-of-duty death since WWII.

LCDR "Bruce Bailey, USN" VXE-6 9 Dec 87 C-130 
AK2 "Donald M. Beatty, USN" VXE-6 9 Dec 87 Ditto
Crash while landing at D-59. Eleven SOBs.

AMS1 "Benjamin Micou, USN" VXE-6 31 Oct 92 
Civilian Garth Varcoe — Kiwi DSIR TSO NZARP 31 Oct 92
Civilian Terry Newport — Kiwi DSIR GFE NZARP 31 Oct 92 
Helo crash near Cape Royds. First fatal Helo crash since 1969.

?? "Name Unknown, USN" ChapGru 30 Jan 95 
TAD to NAVCHAPGRU for ship offloading. Killed near Castle Rock.

FCCM "Charles Gallagher, USN (Ret)" ASA ? May 97 Apparent heart attack during pneumonia and dehydration. Gallagher worked for the contractor, but had been NSFA CMC. 48th American death since 1955.
(Polar Times Volume II, Number 9)

These references were used in the development of this list: 
"US Army Observer's Report of Operation Highjump, Siple, et al, 1947"
"CASA Final Report DF-61, Chaplain's MWR Input"
"Antarctic Journal of the United States (AJUS), Vol I (1966), Mar-Apr #2"
Notes: *ARM1 as listed in the Army Observers Report  

"AJUS, Vol II (1967), May-Jun #3"
RM1 as listed in Antarctic Sun "AJUS, Vol IXI (1974), Jan-Feb #1"
AT2 as listed in Assault on Eternity"AJUS, Vol XXVII (1993), #1"
"AJUS, Vol XXX, (1995)"
"20 Years on the Ice, VXE-6 Cruise Book, 1975"
*AMM1 as listed in the Army Observers Report 
"Assault on Eternity, Lisle A. Rose, 1980"
MM1 as listed in Antarctic Sun 
"Antarctica, An Encyclopedia, Volumes I and II, John Stewart, 1990"
AD1 as listed in Assault on Eternity 
"New Zealand Antarctic Society Bulletin, Volume 12, #1, 1991"
"Moments of Terror, The Story Of Antarctic Aviation, David Burke, 1994"
"Geographic Names of the Antarctic, Second Edition, 1995"
"NASU Christchurch, Decommissioning Ceremony Brochure, 13 Feb 1998"
E-mail from Harold Herles to Jim O'Connell dated …. Jan 2000
Various issues of the Polar Times with appropriate entries annotated.

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