The Director, NSA, may negotiate the standard form of service agreement, specified in section 4, with port authorities on a standby basis, prior to the deployment of the Armed Forces of the United States, or other requirements of the nation's defense. In such cases, the contractor accepts the obligation to maintain a qualified incumbent in the position specified in Article 1 of the service agreement and to be prepared to furnish the resources specified in Articles 4 and 5. An agreement executed on a standby basis may become operational in connection with the deployment of the Armed Forces of the United States, or other requirements of the nation's defense. An agreement executed after the deployment of the Armed Forces of the United States, or other requirements of the nation's defense may be operational upon execution.