American and Russian space flights have always included chocolate

Beef, round, bottom round, separable lean only,trimmed to 1/8" fat, all grades, cooked, braised
» Beef Products

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Energy Fat
39.0 size D batteries 0.4 butter sticks

A serving of 453.6g contains 980kcal, representing ± 39.0 batteries*.

A aged requires 2700kcal (107.3 batteries*) a day.

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 35.06g fat, which is comparable to ± 0.4 butter sticks.