Final answer:
The year the 2nd General Hospital earned the Army Superior Unit Award for its service during Operation DESERT SHIELD and STORM is not provided in the given information.
Step-by-step explanation:
The 2nd General Hospital would have possibly earned recognition for its service through awards like the Army Superior Unit Award during its involvement in Operation DESERT SHIELD and DESERT STORM; however, the information provided does not specifically state the year in which this award was received. Operation DESERT SHIELD and DESERT STORM took place in 1990 and 1991, with troops first deployed to Saudi Arabia in August 1990. This timeline provides context but does not include specific details on awards to the 2nd General Hospital.