Although two periscopes are provided when attacking, one only would be shown for short periods to get check observation so as to prevent the wash of the upper tube revealing the proximity of the submarine.
These are solid rocket boosters or SRB for short The SRB are made by Thiokol at their factory at Utah.
This may allay some current fears about the safety of using creatine for short periods of time.
The experimental disease is called " experimental allergic encephalomyelitis ", or EAE for short.
Poor care, even for short periods can seriously undermine faith in community services and result in hospital admissions.
