With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
At
the
end
of
1962
,
the
squadron
transitioned
to
the
Sikorsky
twin
engine
SH-3A
Sea
King
and
would
later
upgrade
to
the
SH-3D
and
SH-3H
in
1969
and
1980
,
respectively
.
At:O
the:O
end:O
of:O
1962:O
,:O
the:O
squadron:O
transitioned:O
to:O
the:O
Sikorsky:product-airplane
twin:O
engine:O
SH-3A:product-airplane
Sea:product-airplane
King:product-airplane
and:O
would:O
later:O
upgrade:O
to:O
the:O
SH-3D:product-airplane
and:O
SH-3H:product-airplane
in:O
1969:O
and:O
1980:O
,:O
respectively:O
.:O