June 20, 2019 "Information Clearing House" - Early this morning Iranian air defense shot down a U.S. high attitude reconnaissance drone:

DUBAI (Reuters) - Iran’s elite Revolutionary Guards have shot down a U.S. “spy” drone in the southern province of Hormozgan, which is on the Gulf, the Guards’ news website Sepah News said on Thursday.

State news agency IRNA carried the same report, identifying the drone as an RQ-4 Global Hawk.

“It was shot down when it entered Iran’s airspace near the Kouhmobarak district in the south,” the Guards’ website added.

bigger

A later statement by the IRGC detailed the incident:

The American UAV took off from an US base in the south of the Persian Gulf at 00:14 am today morning and contrary to aviation laws, it shut off all of its introduction equipment and proceeded from the Strait of Hormuz to Chabahar with complete secrecy.

The unmanned aircraft while returning to the west of the region towards the Strait of Hormuz, violated the territorial integrity of the Islamic Republic of Iran, and start collecting information and spying.

At 4:55 am, when the aggressive UAV entered our country’s territory, it was targeted by the IRGC air force and was shot down.

The U.S. says that the drone was a MQ-4C Triton, the navy variant of the Global Hawk type that is specialized on Broad Area Maritime Surveillance (BAMS). It claims that the drone was in international airspace when Iran's Revolutionary Guard shot it down.