Dugwayâs Chemical Test Division successfully tests JCAD system on Stryker. Caged in a menacing looking metal grid with intricate sensory equipment attached to all sides the Armyâs M113 NBC RV Stryker vehicle sits on a dusty road at Dugway Proving Groundâs target S grid being readied by its crew for testing....
The following conditions are when secondary curvatures of the spine  develop:   Cervical-when the baby starts to hold its head up   Lumbar-when the baby starts to â¦ walk. 4 people found this useful.
When Raynaudâs phenomenon is caused by or associated with an underlying disease, it is referred to as secondary Raynaudâs phenomenon. Secondary Raynaudâs phenomenon tends to begin later in life than the primary form.aynaudâs phenomenon is a condition that affects the blood vessels in the extremitiesâgenerally, the fingers and toes.