A diver dressed in a Santa Claus costume swims with fish at the Sunshine Aquarium in Tokyo on Thursday. The aquarium is holding the Christmas show twice daily until Christmas Day to attract visitors
Sean Gallup/Getty Images
Soldiers of the German armed forces, the Bundeswehr, stand next to their Marder light tanks during the NATO Noble Jump military exercises of the VJTF forces on Thursday in Zagan, Poland
School children from Belgium sit on a tank on display listening to an Israeli soldier speaking about Israel’s wars, at the Armoured Corps memorial. A ceremony was held in Latrun near Jerusalem, Israel, on Wednesday to mark the annual Memorial Day for soldiers and civilians killed in more than a century of conflict between Jews and Arabs
Anatolii Stepanov/AFP/Getty Images
Ukrainian servicemen take part in a military drill in the Zhytomyr region, 150 km from Kiev
A general view inside the enormous pressure-adjusting underground water tank at the Metropolitan Area Outer Underground Discharge Channel facility in Tokyo, Japan. The Metropolitan Area Outer Underground Discharge Channel is the world’s largest underground flood diversion facility. The facility takes water overflow from four rivers and redirects it 50 meters underground into a 6.3 kilometer tunnel before being pumped into the Edo river.
A Russia-backed rebel holds a heavy machine-gun in Debaltseve, Ukraine on Friday. After weeks of relentless fighting, the embattled Ukrainian rail hub of Debaltseve fell Wednesday to Russia-backed separatists, who hoisted a flag in triumph over the town
Ukrainian troops ride on a tank as they leave Debaltseve, eastern Ukraine on Wednesday
A Turkish soldier places a carpet next to a military vehicle, as he watches fighting between Kurdish fighters and Islamic State militants, from atop a hill overlooking the Syrian town of Kobani.
Gleb Garanich /Reuters
Members of military special forces sit on an armoured vehicle near Kramatorsk. NATO’s top official accused Moscow outright on Thursday of attacking Ukraine
An Afghan youth sits astride the gun barrel of a Soviet-era tank, in Kabul, Afghanistan on Friday. Soviet Union troops occupied Afghanistan for ten years from 1979
An Israeli soldier sits next to a Merkava tank in a staging area in southern Israel, along the border with the Gaza Strip, on Tuesday. The Israeli military said three rockets had been fired from the Gaza Strip into southern Israel despite a ceasefire.
An Israeli soldier carries a shell as he and his comrades prepare their Merkava tanks stationed at an army deployment area along the border between Israel and the Hamas-controlled Gaza Strip on Thursday
Ukrainian government soldiers sit on an armoured vehicle as they take up a position in a sunflower field about 20 km south of Donetsk. Ukrainia forces have massed tanks and armoured vehicles about 20 km south of the rebel-held city of Donetsk
A visitor watches blue fin tunas in a 2,200-tonne tank at Tokyo Sea Life Park on Monday.
Militant Islamist fighters parade in Raqqa province, Syria, to celebrate their declaration of an Islamic ‘caliphate’ after the group captured territory in neighbouring Iraq, a monitoring service says
Mohamed Nureldin Abdallah/Reuters
Sudanese Armed Forces (SAF) and Rapid Support Forces (RSF) personnel ride on a tank after recapturing the Daldako area, outside the military headquarters in Kadogli.
Operation Sangaris French troops man a position at a checkpoint in Bangui’s PK12 area, Central African Republic
A diver performs with sardines as part of summer holiday events at Coex Aquarium in Seoul, South Korea.