Northern Mariana Islands
defense is the responsibility of the US

Palau
defense is the responsibility of the US; under a Compact of
Free Association between Palau and the US, the US military is
granted access to the islands for 50 years, but it has not stationed
any military forces there (2008)

Panama
on 10 February 1990, the government of then President ENDARA
abolished Panama's military and reformed the security apparatus by
creating the Panamanian Public Forces; in October 1994, Panama's
Legislative Assembly approved a constitutional amendment prohibiting
the creation of a standing military force but allowing the temporary
establishment of special police units to counter acts of "external
aggression"

Paracel Islands
occupied by China

Pitcairn Islands
defense is the responsibility of the UK

Puerto Rico
defense is the responsibility of the US

Saint Barthelemy
defense is the responsibility of France

Saint Helena
defense is the responsibility of the UK

Saint Martin
defense is the responsibility of France

Saint Pierre and Miquelon
defense is the responsibility of France