Crossword Puzzle Yet another zone

Clue: Yet another zone

1950s conflict zone (KOREA with 5 letters)
Danger zone: 1962 (GUANTANAMO with 10 letters)
Canal zones? (EARS with 4 letters)
Johnny's lasted five years in "The Dead Zone" (COMA with 4 letters)
He was supposedly buried in the west end zone of Giants Stadium (HOFFA with 5 letters)
Canal Zone town (e.g. ANCON with 5 letters)
Parachutist's danger zone (TREETOPS with 8 letters)
Zone (e.g. AREA with 4 letters)
WWII battle zone (ETO with 3 letters)
One standing in a strike zone? (PICKET with 6 letters)