The NC-4 pictured after arriving at Horta in the Azores Islands on May 17, 1919,The only one of three NC boats to complete the longest leg of the transatlantic flight from Newfoundland.
A SH-3H Sea King of Helicopter Antisubmarine Squadron (HS) 4 prepares to taxi to the runway for take off from Naval Air Station (NAS) North Island, California, on May 17, 1989
An F6F-5N Hellcat of Marine Fighting Squadron (VMF) 511 pictured entangled in the wires of the barricade following recovery on board the escort carrier Block Island (CVE 106) operating off Okinawa on May 19, 1945,Note the name "Butch" painted on the cowling.
An F4U-4 Corsair of Fighter Squadron (VF) 6B leads a pack of aircraft assigned to CVBG-5 during a launch from the carrier Coral Sea (CVB 43) on May 20, 1948,
F-4B Phantom II of Marine Fighter Attack Squadron (VMFA) 542 trails a drag chute after landing at Da Nang Air Base in the Republic of Vietnam in May 1968
IGOR IVAN SIKORSKY (1889-1972). American (Ukrainian-born) aeronautical engineer. Sikorsky preparing to demonstrate a VS-300 helicopter, Bridgeport, Connecticut, 20 May 1940.