; or (B) a license or grant of market access granted by Commission approval of a covered application. (3) Covered period The term covered period means, with respect to a covered authorization, the period of time that begins on the date of the enactment of this section and ends on the earliest of— (A) the date that is 11 years after such date of enactment; (B) the date on which the Commission determines that the licensee or grantee (as the case may be) has not either— (i) deployed a level of service commensurate with the terms of the license or grant of market access; or (ii) otherwise demonstrated progress and investment consistent with the deployment obligations under the license or grant of market access; (C) the date on which the Commission grants a request to renew the covered authorization; or (D) the date on which the Commission grants a request for a modification of the covered authorization described in subsection (h)(2)(B)(i)(II). (4) Covered radiocommunication service The term covered radiocommunication service means a radiocommunication service (as defined in the radio regulations of the International Telecommunication Union that are in force as of the date of the enactment of this section (or any successor to such regulations)), except that such term does not include any radionavigation or safety service specifically identified by the Commission as a safety service for aeronautical or maritime transportation. (5) Gateway station The term gateway station means an earth station or a group of earth stations that— (A) supports the routing and switching functions of a system operated under a license granted under subsection (b) or a grant of market access granted under subsection (c); (B) may also be used for telemetry, tracking, and command transmissions; (C) does not originate or terminate communication traffic