Logistic x Logistics x Logistical: Qual a diferença

What's the difference among these three words? I have used only "logistics".

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Redseahorse 2 28 380
Logistic and Logistical are adjectives and synonyms:

> The indicator is based on two basic criteria namely doing business and transportation infrastructure and the connection between them as this will help LOGISTIC service providers.
> The LOGISTICAL center will be leased to Speedy, the largest Bulgarian courier company, under a long-term contract.

Logistics is a noun:

> This is quite an accomplishment and an attestment to the importance you place in the LOA and on LOGISTICS.
> In a military sense, LOGISTICS is the science of procuring, maintaining, and transporting people and equipment.