The government seized Alfred's property. It compensated him fairly and used the property for a military base. Was this a legal taking of Alfred's property?

No. The government can take property for any purpose EXCEPT military operations

Yes. The government is not obligated to compensate someone for their property, and the government can use it for any purpose they want

No. The government can only take property that will be for private use

Yes. The government compensated him and used the property for a legitimate public use