February-
May
1955
Operation TEAPOT conducted at Nevada
Test Site,
May-July
1956
Operation REDWING conducted at Eniwetok
21 May
1956
CHEROKEE Shot, first American airdrop of
1 September
1956
Activation of the 950th Test Group
27 November
1956
Joint Task Force SEVEN published planning
schedule for Operation HARDTACK.
--December
1956
Special Weapons Center began planning for
and Bikini Atolls in Pacific,
a megaton weapon, performed over Charlie
Island, Bikini Atoll.
(Nuclear).
ultra high altitude shot of the HARDTACK
series,
1 January
1957
29 April
1957
DE
Air Defense Command began limited emergency
ket capability.
Preliminary “book message" constituting
authority for Air Force commands tq begin
initial planning for Operation HARDTACK ~
issued by Air Force headquarters,
May-October 1957
Operation PLUMBBOB conducted at the
19 July
JCHN Shot fired at the Nevada Test Site;
1957
Nevada Test Site,
first live firing of an|
nuclear warhead,
1 October
1957
air-to-air
“TED
Headquarters, Task Group 7. (Provisional),
for Operation HARDTACK designated and
organized at Kirtland, This action
provided for two major subordinate units;
Test Aircraft Unit, Provisional, at
i:
Kirtland, and the Test Base-‘Unit, Provisional,
at Eniwetok,
ix
SWEH~2-003)