Premise: The 711 Squadron ""Albatrozes"" ("Esquadra 711") was a flying squadron of the Portuguese Air Force. Its primary mission was Search and Rescue and it has had secondary missions tactical air transport and general air transport in the Azores archipelago. During the time it was active it was the only operational squadron in the Portuguese military to operate both rotary- and fixed-wing aircraft.
Hypothesis: During the time it was active 711 Squadron was the only operational squadron in the Portuguese military.