American and Russian space flights have always included chocolate

Beef, rib, small end (ribs 10-12), separable lean and fat, trimmed to 1/2" fat, prime, cooked, broiled
» Beef Products

:
Energy Fat
41.4 size D batteries 0.9 butter sticks

A serving of 286.0g contains 1041kcal, representing ± 41.4 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 286.0g contains 83.28g fat, which is comparable to ± 0.9 butter sticks.