To save energy when using the oven try to cook in batches, cook more food and freeze or refrigerate the leftovers. Avoid opening the oven door unnecessarily, heat loss will require the oven to heat up again and waste energy.
When a Marine makes Gunnery Sergeant (E7) he designates on his fitness report whether he'd like to be selected for 1stSgt or MSgt. The Marine Corps has the final decision and he may not get the one he wants. Most do, but not all. There are MANY mo...
From 1941 until 1946, the rank was equivalent to grade 2, ranking with gunnery sergeant and other technical ranks with which it shared its insignia. From 1947 until 1958, the rank was reclassified as E-6 and became the sole rank in this grade.