Södertörn Wing (Swedish: Södertörns flygflottilj), also F 18 Tullinge, or simply F 18, is a former Swedish Air Force wing with the main base located in Tullinge just south-west of the capital Stockholm on the east coast.

Blazon: "Per bend sinister or and gules a griffon segreant sable, armed azure, in both foreclutches an orb or".

[2] The colour of the wing is preserved at the Swedish Army Museum.

Blazon: "On blue cloth in the centre the badge of the Air Force; a winged two-bladed propeller under a royal crown proper.

In the first corner a griffon segreant armed, holding an orb, all or".