The shot of the topless redhead in the cemetery that briefly appears in the montage after Barbara asks Harry what he is thinking about (when they are getting into the plane) is from Ed Wood's softcore 'horror' film 'Orgy of the Dead' (1965).
There are 30 "trouble spots" on the Monitors' map. They correspond (roughly) with the following locations: Anchorage, Alaska; San Diego, California; Chicago, Illinois; Lima, Peru; Santiago, Chile; Cochrane, Ontario; New York City, New York; Philadelphia, Pennsylvania; Havana, Cuba; Salvador, Brazil; Marrakech, Morrocco; Abidjan, Cote d'Ivorie; Cape Town, South Africa; Mombasa, Kenya; Barcelona, Spain; Paris, France; Rome, Italy; Berlin, Germany; Oslo, Norway; Athens, Greece; Kyiv, Ukraine; Moscow, Russia; Jerusalem, Israel; Cairo, Egypt; Darwin, Australia; Manila, Philippines; Bangkok, Thailand; Tokyo, Japan; Seoul, South Korea; Vladivostok, Russia; Beijing, China; Lhasa, Tibet