South Korean Marines' Assault Amphibious Vehicles (KAAV) take part in U.S and South Korea's marine corps combined amphibious landing drill called the 'Ssangyong' exercise, in Pohang, South Korea, March 29, 2023. REUTERS/Kim Hong-Ji 

South Korean Marines' Assault Amphibious Vehicles (KAAV) fire smoke shells during U.S and South Korea’s marine corps combined amphibious landing drill called the 'Ssangyong' exercise, in Pohang, South Korea, March 29, 2023. REUTERS/Kim Hong-Ji 

A Kornet shell lies next to an assault rifle as servicemen of an anti-tank unit of 95th Brigade unveil a Kornet guided missile launcher captured from Russian troops now being used in combat, amid Russia's invasion of Ukraine, near Kreminna, Luhansk, Ukraine March 26, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Kamin", 42, stands next to a number of portable anti-aircraft missile systems amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Kamin", 42, emerges from a storage basement carrying a portable anti-aircraft missile system, amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Kamin", 42, explains how to fire a Stinger portable anti-aircraft missile amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Chub", 34, emerges from a storage basement with a portable anti-aircraft missile system amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Kamin", 42, emerges from a storage basement carrying portable anti-aircraft missile systems, amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Chub", 34, poses for a portrait with a portable anti-aircraft missile system, amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

Anti-aircraft unit serviceman of the 10th Mountain Assault Brigade, call sign "Chub", 34, prepares to pose for a portrait with a portable anti-aircraft missile system, amid Russia's attack on Ukraine, near Soledar north of Bakhmut, Ukraine March 23, 2023. REUTERS/Violeta Santos Moura 

A U.S. Marine rests in the U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A U.S. Marine rests on the U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

Landing Craft Air Cushion (LCAC) and armoured vehicles are seen inside the U.S. Amphibious Assault Ship USS Makin Island anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A U.S. navy crew member walks past U.S. Marine Corps MV-22 Ospreys and F-35B fighter jet on the deck of the U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A view of armoured vehicles inside the U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

General view shows the deck of the U.S. Amphibious Assault Ship USS Makin Island anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A general view shows the U.S. Amphibious Assault Ship USS Makin Island anchored at a naval base in Busan, South korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A U.S. navy crew member stands next to U.S. Marine Corps MV-22 Ospreys on the deck of the U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

U.S. navy crew members rest underneath the deck of the U.S. Amphibious Assault Ship USS Makin Island, as F-35B fighter jets are seen on the deck, at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

A U.S. navy crew member works on a F-35B fighter jet on the deck of U.S. Amphibious Assault Ship USS Makin Island, anchored at a naval base in Busan, South Korea, March 23, 2023. REUTERS/Kim Hong-Ji 

An armed sailor stands on the deck of the USS America (LHA-6) amphibious assault ship docked at a port in Manila, Philippines, March 21, 2023. REUTERS/Adrian Portugal 

A sailor stands on the deck of the USS America (LHA-6) amphibious assault ship docked at a port in Manila, Philippines, March 21, 2023. REUTERS/Adrian Portugal 

A soldier stands on the deck of the USS America (LHA-6) amphibious assault ship docked at a port in Manila, Philippines, March 21, 2023. REUTERS/Adrian Portugal 

General view inside the USS America (LHA-6) amphibious assault ship docked at a port in Manila, Philippines, March 21, 2023. REUTERS/Adrian Portugal 

A member of the U.S. Secret Service Counter Assault Team (CAT) walks on the West Wing colonnade following U.S. President Joe Biden return to the White House in Washington, U.S. March 19, 2023. REUTERS/Al Drago 

GROT, a modular assault rifle system, is displayed at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel
 

GROT, a modular assault rifle system, is displayed at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel
 

GROT, a modular assault rifle system, is displayed at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel
 

Workers assemble parts of the GROT modular assault rifle system at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel 

Workers assemble parts of the GROT modular assault rifle system at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel 

Polish President Andrzej Duda holds a GROT, a modular assault rifle system, at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel TPX IMAGES OF THE DAY 

Polish President Andrzej Duda holds a GROT, a modular assault rifle system, as he tours the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel 

Polish President Andrzej Duda holds a GROT, a modular assault rifle system, at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel 

Polish President Andrzej Duda holds a GROT, a modular assault rifle system, at the arms factory Fabryka Broni Lucznik in Radom, Poland, March 17, 2023. REUTERS/Kacper Pempel 

New York State Attorney General Letitia James and New York City Mayor Eric Adams arrive to announce the take down of a firearm and drug trafficking operation that illegally sold guns, including ghost guns and assault weapons, in New York City, U.S., March 15, 2023. REUTERS/Eduardo Munoz 

New York State Attorney General Letitia James and New York City Mayor Eric Adams arrive to announce the take down of a firearm and drug trafficking operation that illegally sold guns, including ghost guns and assault weapons, in New York City, U.S., March 15, 2023. REUTERS/Eduardo Munoz 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Bira to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Bira to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains dogs named Bira and Lady to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Bira to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Bira to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Bira to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains a dog named Ukho (Ear) to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva 

Anastasia Velichkovskaya, founder of the 'Baskerville' dog training centre, trains dogs to help the Russian military participating in the Russia-Ukraine conflict, in Nizhny Novgorod Region, Russia March 10, 2023. Anastasia, along with other dog handlers, makes a voluntary contribution to the Russian armed forces by training sniffer dogs to locate mines, rescue people trapped under rubble and take part in assault operations. REUTERS/Anastasia Makarycheva TPX IMAGES OF THE DAY 

A Ukrainian serviceman holds his AK-74 assault rifle covered in dirt after returning from the frontline, amid Russia's attack on Ukraine, in the town of Chasiv Yar, Donetsk region, Ukraine March 8, 2023. REUTERS/Oleksandr Ratushniak 

A Ukrainian serviceman holds his AK-74 assault rifle covered in dirt after returning from the frontline, amid Russia's attack on Ukraine, in the town of Chasiv Yar, Donetsk region, Ukraine March 8, 2023. REUTERS/Oleksandr Ratushniak 

A Ukrainian serviceman with AK-74 assault rifle covered in dirt is seen after returning from the frontline, amid Russia's attack on Ukraine, in the town of Chasiv Yar, Donetsk region, Ukraine March 8, 2023. REUTERS/Oleksandr Ratushniak 

A South Korean marine participates in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha TPX IMAGES OF THE DAY 

Smoke rise from an amphibious assault vehicles (AAV), participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

South Korea marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

Thai and U.S. marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

U.S. marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

South Korea marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

U.S. and South Korea marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

U.S. marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

South Korea marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

Thai marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

Marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha 

U.S. marines participate in an amphibious assault exercise as part of the "Cobra Gold 2023" (CG23) joint military exercise at a military base in Chonburi province, Thailand, March 3, 2023. REUTERS/Athit Perawongmetha