A pro-Russian rebel looks on from a truck as she gets ready to take position near the Sergey Prokofiev International Airport during fighting with Ukrainian government forces in the town of Donetsk, eastern Ukraine, October 4, 2014. REUTERS/Shamil Zhumatov

Ukrainian servicewoman Nadie, 36, stands at the military camp in the village of Luhanske, eastern Ukraine September 24, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken September 24. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/David Mdzinarishvili (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)

Ukrainian servicewoman Nadie, 36, stands at the military camp in the village of Luhanske, eastern Ukraine September 24, 2014. REUTERS/David Mdzinarishvili

A Ukrainian servicewoman stands in Horlivka, Ukraine September 18, 2014. REUTERS/David Mdzinarishvili

A Ukrainian servicewoman Stella, 33, poses for a picture in the village of Schastya, near the eastern Ukrainian town of Luhansk, September 26, 2014. REUTERS/David Mdzinarishvili

A woman fighting on the side of pro-Russian rebels poses with her rifle in Donetsk, eastern Ukraine, September 10, 2014. REUTERS/Marko Djurica

A woman fighting on the side of pro-Russian rebels poses with her rifle in the town of Nizhnaya Krinka, eastern Ukraine, September 23, 2014. REUTERS/Marko Djurica

A woman fighting on the side of pro-Russian rebels poses with her rifle in Donetsk, eastern Ukraine, September 17, 2014. REUTERS/Marko Djurica

A woman fighting on the side of pro-Russian rebels poses with her rifle in Donetsk, eastern Ukraine, September 8, 2014. REUTERS/Marko Djurica

A woman fighting on the side of pro-Russian rebels poses with her pistol in Luhansk, eastern Ukraine, September 14, 2014. REUTERS/Marko Djurica

Ukrainian servicewoman Nadie, 36, poses at the military camp in the village of Luhanske, eastern Ukraine September 24, 2014. REUTERS/David Mdzinarishvili

Gaika, former croupier turned to the pro-Russian rebels' howitzer specialist poses in the town of Makievka, eastern Ukraine, October 6, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken October 6. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)

Alla, nicknamed Ryzhaya (the Red-haired), a pro-Russian rebel poses during an interview in the town of Donetsk, eastern Ukraine, October 5, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken October 5. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)

Irina, worker of a petrol station, now member of reconnaissance team of pro-Russian rebels' in the town of Makievka, eastern Ukraine, October 6, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken October 6. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)

Orange ribbon of St. George, a symbol widely associated with pro-Russian protests in Ukraine, is seen next to cosmetics of Irina, worker of a petrol station, now member of reconnaissance team of pro-Russian rebels' in the town of Makievka, eastern Ukraine, October 6, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken October 6. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)

Irina, worker of a petrol station, now member of reconnaissance team of pro-Russian rebels' in the town of Makievka, eastern Ukraine, October 6, 2014. Before fighting broke out in eastern Ukraine, Irina was a croupier in a casino who never dreamt of taking up arms. Now she is gambling with her life. Using the nom de guerre "Gaika", a cartoon character that translates as Gadget, she has joined an artillery unit in a pro-Russian separatist group fighting government forces. "When your home is being destroyed, everything that is dear to you, friends, work ... It's about character. Girls who go into combat are real Russian women," she said in an interview, explaining why she joined up. It has proved a tough experience but she has no regrets. Picture taken October 6. TO GO WITH STORY UKRAINE-CRISIS/WOMEN REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST MILITARY)