The reason for their presence at Black Mesa was also explained, something that was never made clear in the original game. It was not until the release of Opposing Force that more insight regarding the Black Ops was revealed.Д«lack Ops are featured much more prominently as enemies in Gearbox SoftwareвЂ™s expansion pack Opposing Force.

Many players assumed this meant they were working with the military since assassins had no backstory, and as such, many fan-made maps included them fighting alongside each other. Although the two groups never encountered one another in the game, female assassins were coded to fight on the same side as the Marines. The distinction between the Hazardous Environment Combat Unit and the Black Ops was not made at first in the original Half-Life. The quivers they used to hold their bolts can still be seen on their belt in the final game. When playing under the hardest difficulty level, female Black Ops have a cloaking field which they use to become invisible during combat, only revealing themselves when moving.ДЇemale Black Ops were originally intended to be armed with crossbows as a weapon. At close range, they use an array of kicks to fight the player. They are armed with a silenced Glock 17 and grenades. They wear a black jump suit and use night vision goggles that include a headset with microphone, although none are ever heard speaking. Black Ops first appear in Half-Life during the chapter 'Apprehension' and later make one more appearance during the chapter 'Lambda Core.' Only female Black Ops are seen by Gordon Freeman in the game.ДЇemale Black Ops are strikingly nimble and agile, able to sprint faster than any other enemy and can jump to extreme heights.

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