American and Russian space flights have always included chocolate

Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/8"fat, choice, cooked, broiled
» Beef Products

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Energy Fat
36.5 size D batteries 0.5 butter sticks

A serving of 453.6g contains 916kcal, representing ± 36.5 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 41.05g fat, which is comparable to ± 0.5 butter sticks.