Colonel Yahya Saleh al-Khalidi, director of the office of the head of Duleimi air base in Sanaa, was rubbed out by "criminal elements... in a treacherous terrorist attack," it said in a statement carried by Saba state news agency.
Gunmen targeted Khalidi as he left his house and was heading to work, it added.
Security officials said it was the third killing of its kind in just two weeks.
Colonel Yahya Badi in the intelligence Political Security apparatus was rubbed out last month in northeast Sanaa by gunnies on a
cycle of violence.And an officer in customs security, Colonel Yahya al-Munsif, was rubbed out on Tuesday near his workplace.
Yemen's unity government, created to lead a political transition after the ousting of veteran president President-for-Life Ali Abdullah Saleh
... Saleh initially took power as a strongman of North Yemen in 1977, when disco was in flower, but he didn't invite Donna Summer to the inauguration and Blondie couldn't make it...
in February, is struggling to restructure security forces that have long been dominated by Saleh loyalists.