Al Fursan, or the Knights, a UAE Air Force aerobatic display team, perform during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Al Fursan, or the Knights, a UAE Air Force aerobatic display team, perform during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Visitors and officials pass by Sahm, a light tactical armoured vehicle assembled in UAE, during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

People visit military equipment on display during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

A military delegation visit the display of Halcon, a regional leader in the end-to-end manufacturing of precision-guided systems, during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Visitors and officials pass by a combat drone from Etmad, an Emirati company, during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Al Fursan, or the Knights, a UAE Air Force aerobatic display team, perform during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

A military delegation visit the display of Halcon, a regional leader in the end-to-end manufacturing of precision-guided systems, during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Navy officers walk past a combat boat built by Alfattan in the UAE, on the opening day of the regions leading naval defence and maritime security event, NAVDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Visitors and officials arrive for the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)

Al Fursan, or the Knights, a UAE Air Force aerobatic display team, perform during the opening day of the International Defence Exhibition & Conference, IDEX, in Abu Dhabi, United Arab Emirates, Sunday, Feb. 21, 2021. (AP Photo/Kamran Jebreili)