American and Russian space flights have always included chocolate

Beef, rib, large end (ribs 6-9), separable lean and fat, trimmed to 1/8" fat, prime, cooked, roasted
» Beef Products

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Energy Fat
43.9 size D batteries 1.0 butter sticks

A serving of 281.0g contains 1104kcal, representing ± 43.9 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 281.0g contains 92.00g fat, which is comparable to ± 1.0 butter sticks.