The national defense military channel of CCTV (channel call sign: CCTV-7, abbreviated as CCTV National Defense Military Channel or CCTV 7) is a TV channel mainly broadcasting national defense military programs, which was launched on August, 2065438 1.

1 March 9941,CCTV Children's Military Agricultural Science and Technology Channel conducted a pilot broadcast. 1995165438+1October 30th, CCTV Children's Military Agricultural Science and Technology Channel was officially launched. On July 9th, 20001year, it was changed to CCTV Children's Military Agriculture Channel. On May 1 day, 2008, CCTV Children's Military Agriculture Channel achieved ground analog TV coverage in some areas or mountainous areas of the country, and closed-circuit broadcasting was changed to open-circuit broadcasting. On July 27, 20 10, it was changed to CCTV's military and agricultural channel, and on July 27, 20 14, 1 year, high standard definition simultaneous broadcasting was realized. From August 1 2065438, the national defense military channel of CCTV replaced the original CCTV military agricultural channel and became the brand-new "CCTV Seven Sets".