A possible concise summary is:
The speaker tries two types of military food rations from Japan, menu number 3 and menu number 7. He shows the contents of each menu, which include rice, fish, seaweed, tuna salad, sausages and candies. He cooks the rice and fish in a pan and eats them with the seaweed. He heats the sausages and eats them with the rolls. He also tries the tuna salad and the candies. He comments on the appearance, smell, taste and texture of each food item. He says that the quality of the products is the best he has ever tried in military food rations. He ends the video by saying goodbye to the viewers.
Here are the key facts extracted from the text:
1. The speaker is trying military food rations from Japan.
2. They have menu number 3 for lunch and menu number 7 for dinner.
3. The packaging date for menu number 3 is September 2018, with an expiration date of September 2019.
4. Menu number 3 includes rice, nori seaweed, and Pacific saury fish.
5. There are three ways to prepare the food: using heating bags, microwaving, or submerging in hot water.
6. The rice is pre-cooked and can be eaten without additional heating.
7. Menu number 7 contains tuna salad, Vienna sausages, and dry bread rolls.
8. The Vienna sausages have a smoky flavor and are made of beef and pork.
9. The candies included are irregularly shaped and sweet.
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