South Korean and U.S. soldiers take part in their joint river crossing operation drill as South Korean army's Apache and Cobra helicopters fly past, in Yeoju, South Korea, October 19, 2022. REUTERS/Kim Hong-Ji 

A South Korean army Apache helicopter fires during a live-fire military exercise which is a part of Defense Expo Korea (DX Korea) at a training field near the demilitarized zone separating the two Koreas in Pocheon, South Korea, September 20, 2022. REUTERS/Kim Hong-Ji 

A Boeing AH-64 d/e Apache helicopter sits outside a hall of the 30th International Defence Industry Exhibition, in Kielce, September 5, 2022. REUTERS/Kacper Pempel 

Boeing AH-64 d/e Apache helicopter is seen outside a hall of 30th International Defence Industry Exhibition in Kielce, Poland September 5, 2022. REUTERS/Kacper Pempel 

US soldiers stand near Boeing AH-64 d/e Apache helicopter outside a hall of 30th International Defence Industry Exhibition in Kielce, Poland September 5, 2022. REUTERS/Kacper Pempel 

An UH-60 Black Hawk helicopter and an AH-64 Apache helicopter fly over during a military exercise at the Hengchun airport in Pingtung county, southern Taiwan August 9, 2022. REUTERS/Ann Wang 

An AH-64 Apache helicopter flies over during a military exercise at the Hengchun airport in Pingtung county, southern Taiwan August 9, 2022. REUTERS/Ann Wang 

An Israeli Air Force Apache helicopter fires flares in the sky above the Israel-Gaza border August 7, 2022. REUTERS/Amir Cohen 

An Israeli Air Force Apache helicopter fires flares in the sky above the Israel-Gaza border August 7, 2022. REUTERS/Amir Cohen 

British Army's Apache helicopter crew maintains the helicopter radar as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022.REUTERS/Ognen Teofilovski 

British Army's Apache helicopter lands as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022.REUTERS/Ognen Teofilovski 

British Army's Apache helicopter lands as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022.REUTERS/Ognen Teofilovski 

British Army's Apache helicopter lands as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022.REUTERS/Ognen Teofilovski 

A crew member performs maintenance on the British Army's Apache helicopter radar as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022. REUTERS/Ognen Teofilovski 

British Army's Apache helicopter flies over U.S. Army Chinook helicopter as U.S., British and Macedonian military aircrafts (not pictured) are on display during an air show as part of the military exercise "Swift Response 2022 (SR22)" in Skopje, North Macedonia May 8,2022. REUTERS/Ognen Teofilovski 

U.S. Air Force Boeing AH-64 Apache attack helicopter attends flies during Chrystal Arrow 22 military drill in Adazi military base, Latvia March 11, 2022. REUTERS/Ints Kalnins 

U.S. Air Force Boeing AH-64 Apache attack helicopter flies during Chrystal Arrow 22 military drill in Adazi military base, Latvia March 11, 2022. REUTERS/Ints Kalnins 

U.S. Air Force Boeing AH-64 Apache attack helicopters fly during Chrystal Arrow 22 military drill in Adazi military base, Latvia March 11, 2022. REUTERS/Ints Kalnins 

U.S. Air Force Boeing AH-64 Apache attack helicopters fly during Chrystal Arrow 22 military drill in Adazi military base, Latvia March 11, 2022. REUTERS/Ints Kalnins 

U.S. Air Force Boeing AH-64 Apache attack helicopter flies during Chrystal Arrow 22 military drill in Adazi military base, Latvia March 11, 2022. REUTERS/Ints Kalnins 

U.S. Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

U.S. Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

U.S. Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

A U.S. Boeing AH-64 Apache helicopter arrives to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

U.S. Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

U.S. Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

A U.S. Boeing AH-64 Apache helicopter arrives to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

U.S.Boeing AH-64 Apache helicopters arrive to the Lielvarde military airfield, Latvia February 24, 2022. REUTERS/Ints Kalnins 

A pair of Republic of Singapore Air Force (RSAF) AH-64D Apache attack helicopters perform an aerial manoeuvre at the Singapore Airshow in Singapore, February 15, 2022. REUTERS/Caroline Chia 

A pair of Republic of Singapore Air Force (RSAF) AH-64D Apache attack helicopters perform an aerial manoeuvre during the media preview for the Singapore Airshow in Singapore, February 13, 2022. REUTERS/Caroline Chia 

A pair of Republic of Singapore Air Force (RSAF) AH-64D Apache attack helicopters perform an aerial manoeuvre during the media preview for the Singapore Airshow in Singapore, February 13, 2022. REUTERS/Caroline Chia 

U.S. Army Apache helicopter flies over Kabul, Afghanistan August 15, 2021. REUTERS/Stringer REFILE - CORRECTING FORCES 

U.S. Army Apache helicopter flies over Kabul, Afghanistan August 15, 2021. REUTERS/Stringer REFILE - CORRECTING FORCES 

An Apache helicopter from the Greek army flies during the "Strike Back 21" military drill in Koren training grounds, Bulgaria, June 4, 2021. Armed personnel from Greece, Romania and Bulgaria take part in the drill. REUTERS/Stoyan Nenov 

An Apache helicopter from the Greek army fires during the "Strike Back 21" military drill in Koren training grounds, Bulgaria, June 4, 2021. Armed personnel from Greece, Romania and Bulgaria take part in the drill. REUTERS/Stoyan Nenov 

Air Force officers demonstrate maintenance work on an AH-64 Apache attack helicopter at a military base in Tainan, Taiwan, January 15, 2021. REUTERS/Ann Wang 

Air Force officers demonstrate maintenance work on an AH-64 Apache attack helicopter at a military base in Tainan, Taiwan, January 15, 2021. REUTERS/Ann Wang 

Air Force officers demonstrate maintenance work on an AH-64 Apache attack helicopter at a military base in Tainan, Taiwan, January 15, 2021. REUTERS/Ann Wang 

Air Force officers demonstrate maintenance work on an AH-64 Apache attack helicopter at a military base in Tainan, Taiwan, January 15, 2021. REUTERS/Ann Wang 

Air Force officers demonstrate maintenance work on an AH-64 Apache attack helicopter at a military base in Tainan, Taiwan, January 15, 2021. REUTERS/Ann Wang 

Soldiers observe an AH-64E Apache attack helicopter during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

A soldier refuels an AH-64E Apache attack helicopter before take off during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

A soldier gives the "Ok" sign before an AH-64E Apache attack helicopter takes off during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

A soldier loads training rockets into a pod on an AH-64E Apache attack helicopter during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

Soldiers load training rockets into a pod on an AH-64E Apache attack helicopter during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

A soldier loads training rockets into a pod on an AH-64E Apache attack helicopter during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

An AH-64E Apache attack helicopter lands during 'Combat Readiness Week' drills in Hsinchu, Taiwan, October 29, 2020. REUTERS/Ann Wang 

Indian Air Force (IAF) Mi35 Apache helicopters perform in the air during the 88th Air Force Day parade at Hindon Air Force Station in Ghaziabad, India, October 8, 2020. REUTERS/Anushree Fadnavis 

An Indian Air Force's Apache helicopter is seen in the Ladakh region, September 17, 2020. REUTERS/Danish Siddiqui 

AH-64 Apache helicopters fly to location during the live-fire, anti-landing Han Kuang military exercise, which simulates an enemy invasion, in Taichung, Taiwan July 16, 2020. REUTERS/Ann Wang 

AH-64 Apache helicopters fly to location during the live-fire, anti-landing Han Kuang military exercise, which simulates an enemy invasion, in Taichung, Taiwan July 16, 2020. REUTERS/Ann Wang 

AH-64 Apache helicopters fly to location during the live-fire, anti-landing Han Kuang military exercise, which simulates an enemy invasion, in Taichung, Taiwan July 16, 2020. REUTERS/Ann Wang 

AH-64 Apache helicopters fires during the live-fire, anti-landing Han Kuang military exercise, which simulates an enemy invasion, in Taichung, Taiwan July 16, 2020. REUTERS/Ann Wang 

U.S. Army Apache helicopter flies near the U.S. Embassy and a poster of Qais al-Khazali, leader of the militant group Asaib Ahl al-Haq, hanged on a buliding, during a protest to condemn air strikes on bases belonging to Hashd al-Shaabi (paramilitary forces), outside the U.S. Embassy in Baghdad, Iraq January 1, 2020. REUTERS/Thaier al-Sudani 

U.S. Army Apache helicopter flies near by the U.S. Embassy and a poster of Qais al-Khazali, leader of the militant group Asaib Ahl al-Haq, being hanged on a buliding during a protest to condemn air strikes on bases belonging to Hashd al-Shaabi (paramilitary forces), outside the U.S. Embassy in Baghdad, Iraq January 1, 2020. REUTERS/Thaier al-Sudani 

U.S. Army Apache helicopter flies over the U.S. Embassy during a protest to condemn air strikes on bases belonging to Hashd al-Shaabi (paramilitary forces), outside the U.S. Embassy in Baghdad, Iraq January 1, 2020. REUTERS/Thaier al-Sudani 

A U.S. Navy midshipman takes a pictures of overpassing Apache helicopters during halftime of the annual Army-Navy collegiate football game at Lincoln Financial Field, in Philadelphia, Pennsylvania, U.S., December 14, 2019. REUTERS/Tom Brenner 

AH-64 Apache helicopters fire during the live fire Han Kuang military exercise, which simulates China's People's Liberation Army (PLA) invading the island, in Pingtung, Taiwan May 30, 2019. REUTERS/Tyrone Siu 

An AH-64 Apache helicopter releases flares during the live fire Han Kuang military exercise, which simulates China's People's Liberation Army (PLA) invading the island, in Pingtung, Taiwan May 30, 2019. REUTERS/Tyrone Siu 

An Israeli Apache helicopter releases flares as it flies over the Gaza Strip March 25, 2019. REUTERS/Mohammed Salem