Aetna Choice POS II. Aetna Choice POS II Aexcel Local. Aetna Choice POS II Local. Aetna HMO. Aetna Open Choice PPO. BCBS of Kansas City (PPO) BCBS of Kansas City Freedom Network. BCBS of Kansas City Freedom Network Select.
bastion. n. 1. (Fortifications) a projecting work in a fortification designed to permit fire to the flanks along the face of the wall. 2. any fortified place. 3. a thing or person regarded as upholding or defending an attitude, principle, etc: the last bastion of opposition.
HESCO Bastions. 1  From the extremely high tech world of rockets, missiles, and space flight, we will now take a turn for the primitive. What is known as the HESCO barrier or HESCO bastion is quite possibly one of the simplest and most effective systems in use today by the military. There is a great need to make bases relatively safe, especially from small arms, grenades, and rockets, as well as the shrapnel of other weapons like mortars.