A boy holds a toy assault rifle as hundreds gather to protest against the state's extended stay-at-home order to help slow the spread of the coronavirus disease (COVID-19) at the Capitol building in Olympia, Washington, U.S. April 19, 2020. REUTERS/Lindsey Wasson 

Greek soldiers patrol near Turkey's Pazarkule border crossing, in Kastanies, Greece March 8, 2020. REUTERS/Florion Goga 

Greek soldiers and riot police officers stand guard near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Israeli soldiers are seen on their military vehicle as a Palestinian woman walks during a protest at the Israel-Gaza border fence, in the southern Gaza Strip December 21, 2018. REUTERS/Ibraheem Abu Mustafa 

Piles of rusted out, Soviet-era tanks and military equipment are seen at the "tank graveyard" in Asmara, Eritrea in this photo taken on February 21, 2016. Picture taken February 21, 2016. REUTERS/Thomas Mukoya 

Piles of rusted Soviet-era tanks and military equipment are seen at the "tank graveyard" in Asmara, Eritrea in this photo taken on February 21, 2016. Picture taken February 21, 2016. REUTERS/Thomas Mukoya 

Soviet armoured vehicles are seen in front of the St. Basil's cathedral during a rehearsal for a military parade to mark the anniversary of a historical parade in 1941 when Soviet soldiers marched towards the front lines, at the Red Square in Moscow, Russia November 5, 2018. REUTERS/Maxum Shemetov 

An Israeli tank drives near the border on the Israeli side of the Israel-Gaza border, Israel October 19, 2018 REUTERS/Amir Cohen 

A T-72 tank is seen on a shooting range during the military exercise "Preparation and use of troops in the interests of repelling aggression against the Republic of Belarus", near the city of Borisov, Belarus September 11, 2018. REUTERS/Vasily Fedosenko 

A T-72 tank operated by a crew from Uganda fires during the Tank Biathlon competition at the International Army Games 2018, in Alabino outside Moscow, Russia, July 28, 2018. REUTERS/Sergei Karpukhin 

Artilleries belonging to Syrian forces are seen in Quneitra, Syria July 22, 2018. REUTERS/Omar Sanadiki 

An Israeli armoured personnel carrier (APC) drives on the Israeli side of the border between Israel and Gaza, May 29, 2018. REUTERS/Amir Cohen TPX IMAGES OF THE DAY 

An Israeli tank is seen on the Israeli side of the border fence between Israel and the Gaza Strip May 15, 2018. REUTERS/Baz Ratner 

A cow walks past tanks near the border with Syria in the Israeli-occupied Golan Heights, Israel May 11, 2018. REUTERS/Baz Ratner 

Cattle stand next to tanks in the Israeli-occupied Golan Heights, Israel May 10, 2018. REUTERS/Ronen Zvulun 

A tank, operated by forces loyal to Syria's President Bashar al-Assad, opens fire near the Yarmouk Palestinian camp in Damascus, Syria April 28, 2018. REUTERS/Omar Sanadiki TPX IMAGES OF THE DAY 

A Turkish soldier points as he stands on a tank during a military exercise near the Turkish-Iraqi border in Silopi, Turkey, September 22, 2017. REUTERS/Umit Bektas TPX IMAGES OF THE DAY 

Turkish tanks maneuver during a military exercise near the Turkish-Iraqi border in Silopi, Turkey, September 21, 2017. REUTERS/Umit Bektas TPX IMAGES OF THE DAY 

A T-72 tank's barrel is seen while driven through the course of the Tank Biathlon competition, part of the International Army Games 2017, at a range in the settlement of Alabino outside Moscow, Russia, August 8, 2017. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY 

A participant reacts in front of a mock-up tank on fire as university students and relatives of victims march to commemorate the killing of students during a protest in 1975 by Salvadoran military forces, in San Salvador, El Salvador, July 30, 2017. REUTERS/Jose Cabezas TPX IMAGES OF THE DAY 

Iraqi soldiers eat their meal along the road beside their armoured fighting vehicles (AFV) in western Mosul, Iraq June 18, 2017. REUTERS/Erik De Castro 

An Iraqi soldier mans a machinegun on the turret of an armoured fighting vehicle (AFV) in western Mosul, Iraq June 18, 2017. REUTERS/Erik De Castro 

An Iraqi flag attached to an Iraqi military armoured fighting vehicle (AFV) flutters past a destroyed house during clashes in the Shifa neighbourhood in western Mosul, Iraq June 15, 2017. REUTERS/Erik De Castro 

Displaced residents who fled their homes due to fighting between Iraqi forces and Islamic State militants walk behind an Iraqi forces armoured fighting vehicle (AFV), near the Old City in western Mosul, Iraq June 13, 2017. REUTERS/Erik De Castro 

Iraqi army armoured fighting vehicles (AFV) cross as military pontoon bridge one the way to the frontline in western Mosul, Iraq June 7, 2017. Picture taken June 7, 2017. REUTERS/Erik De Castro 

Residents who fled their homes due to fighting between Iraqi forces and Islamic State militants walk past an Iraqi armoured fighting vehicle (AFV) as they return to their village cleared by the Iraqi forces in western Mosul in Iraq June 7, 2017. Picture taken June 7, 2017. REUTERS/Erik De Castro TPX IMAGES OF THE DAY 

Iraqi soldiers take cover on the side of an armoured fighting vehicle (AFV) from Islamic State militants sniper fire in Mosul's al-Zanjili's district, Iraq June 7, 2017. REUTERS/Erik De Castro 

A vehicle used for suicide car bombings, made by Islamic State militants, is seen in al-Zanjili neighbourhood in western Mosul, Iraq June 6, 2017. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY 

An Iraqi military armoured fighting vehicle (AFV) maneuvres past smoke billowing from a burning Iraqi military truck during fighting with Islamic State militants in Mosul's al-Zanjili's district in Iraq June 5, 2017. Picture taken June 5, 2017. REUTERS/Erik De Castro 

An Iraqi military armoured fighting vehicle (AFV) returns after an assault at the position of the Islamic State militants in western Mosul, Iraq June 5, 2017. REUTERS/Erik De Castro 

An Iraqi military armoured fighting vehicle (AFV) drives past a burning Iraqi military truck after it was hit by the Islamic State militants during fighting in western Mosul, Iraq June 5, 2017. REUTERS/Erik De Castro TPX IMAGES OF THE DAY 

An Iraqi military armoured fighting vehicle (AFV) drives past a burning Iraqi military truck after it was hit by the Islamic State militants during fighting in western Mosul, Iraq June 5, 2017. REUTERS/Erik De Castro 

Smoke billows from a burning Iraqi military truck as an Iraqi armoured fighting vehicle (AFV) drives past, during a battle with Islamic State militants in western Mosul, Iraq June 5, 2017. REUTERS/Erik De Castro 

An armoured fighting vehicle (AFV) arrives near the Resorts World Manila after gunshots and explosions were heard in Pasay City, Metro Manila, Philippines June 2, 2017. REUTERS/Erik De Castro TPX IMAGES OF THE DAY 

A policeman alights from an armoured fighting vehicle (AFV) near the Resorts World Manila after gunshots and explosions were heard in Pasay City, Metro Manila, Philippines June 2, 2017. REUTERS/Erik De Castro 

An armoured fighting vehicle (AFV) arrives near the Resorts World Manila after gunshots and explosions were heard in Pasay City, Metro Manila, Philippines June 2, 2017. REUTERS/Erik De Castro 

An armoured fighting vehicle (AFV) arrives near the Resorts World Manila after gunshots and explosions were heard in Pasay City, Metro Manila, Philippines June 2, 2017. REUTERS/Erik De Castro 

A government soldier rests near an armoured fighting vehicle (AFV) during a lull in fighting against the Maute group in Marawi City in southern Philippines May 29, 2017. REUTERS/Erik De Castro 

A government soldier holds a weapon aboard an armoured fighting vehicle (AFV) as soldiers advance their position in Marawi City, Philippines May 28, 2017. REUTERS/Erik De Castro 

Philippine Marines walk next to an armoured fighting vehicle (AFV) as they advance their positions in Marawi City, Philippines May 28, 2017. REUTERS/Erik De Castro 

Members of Philippine Marines walk next to an armoured fighting vehicle (AFV) as they advance their position in Marawi City, Philippines May 28, 2017. REUTERS/Erik De Castro 

Members of Philippine Marines walk next to an armoured fighting vehicle (AFV) as they advance their position in Marawi City, Philippines May 28, 2017. REUTERS/Erik De Castro 

Members of the Iraqi army launch a rocket towards Islamic State militants during a battle with the IS in western Mosul,Iraq February 25, 2017. REUTERS/Alaa Al-Marjani TPX IMAGES OF THE DAY 

A destroyed Ukrainian tank is pictured on the front line near the government-held industrial town of Avdiyivka, Ukraine February 4, 2017. REUTERS/Gleb Garanich 

A tank is seen near the government-held industrial town of Avdiyivka, Ukraine, February 2, 2017. REUTERS/Gleb Garanich 

A military vehicles with cannon is seen near the government-held industrial town of Avdiyivka, Ukraine February 1, 2017. REUTERS/Gleb Garanich 

Tanks are seen in the government-held industrial town of Avdiyivka, Ukraine February 1, 2017. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY 

Members of the Iraqi Army fire towards Islamic State militant positions at the south of Mosul, Iraq December 10, 2016. REUTERS/Alaa Al-Marjani TPX IMAGES OF THE DAY 

A member of Forces loyal to Syria's President Bashar al-Assad sits inside an armoured vehicle in a government held area of Aleppo, Syria December 9, 2016. REUTERS/Omar Sanadiki 

An Iraqi soldier gestures from an armoured vehicle during clashes with Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic 

Iraqi soldiers fire a tank shell during clashes with Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic 

Iraqi soldiers stand on top of armoured vehicles before clashes with Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic 

Iraqi soldier stand on top of armoured vehicle before clashes with Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic 

Iraqi soldiers drive tanks during clashes with Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic 

A soldier looks from an armoured vehicle during fighting between Iraqi soldiers and Islamic State fighters in Al-Qasar, South-East of Mosul, Iraq November 28, 2016. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY 

Fighters of Libyan forces allied with the U.N.-backed government sit atop a military vehicle near the front line of fighting with Islamic State militants in Ghiza Bahriya district in Sirte, Libya November 22, 2016. REUTERS/Hani Amara 

Rebel fighters work on a tank in the rebel-held village of Jubata al-Khashab, in Quneitra Governorate, Syria November 17, 2016. REUTERS/Alaa Al-Faqir 

A rebel fighter starts a fire near a tank in the rebel-held village of Jubata al-Khashab, in Quneitra Governorate, Syria November 17, 2016. REUTERS/Alaa Al-Faqir 

An Iraqi special forces soldier takes cover behind a humvee during an Islamic State fighter car bomb suicide attack in Tahrir neighbourhood of Mosul, Iraq, November 17, 2016. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

An Iraqi soldier holds a scuplture as he stands beside a tank made of wood that was used by Islamic State militants as a diversion tactic in Bawiza, north of Mosul, Iraq November 13, 2016. REUTERS/Ari Jalal