Coast Guard cutter Reliance conducting helicopter operations circa 1964. (U.S. Coast Guard photo). Coast Guard cutter Diligence shown with the prototype “racing stripe” painted on the bow in December 1966. (Coast Guard Historian’s Archive). The extensive accommodation for helicopter operations is shown by this photo of third-in-class 210 cutter Vigilant. (U.S. Coast Guard photo) A Coast Guard HH-52A launched from Diligence hovers over the Gemini III space capsule in 1965. (U.S. Navy National Museum of Naval Aviation photo)