The 1st Army Aviation Support Regiment "Idra" (Italian: 1° Reggimento Sostegno Aviazione dell'Esercito "Idra") is an Italian Army unit based at the "Oscar Savini" Airfield in Manziana in Lazio.

[2][3] In 1953, the Army Light Aircraft Repairs Unit was formed at the Artillery Aerial Observation Training Center in Bracciano.

[4] On 12 December 1989, the President of the Italian Republic Francesco Cossiga granted the unit a flag.

On 1 September 1996, the unit was renamed 1st Army Aviation Support Regiment "Idra".

[6] The 1st Army Aviation Support Regiment was named for Hydra (Italian: Idra), the largest of the 88 modern constellations.