(a) Whoever, within the special maritime and territorial jurisdiction of the United States, is guilty of an assault shall be punished as follows: (1) Assault with intent to commit murder, by imprisonment for not more than twenty years. (2) Assault with intent to commit any felony, except murder or a felony under chapter 109A, by a fine under this title or imprisonment for not more than ten years, or both. (3) Assault with a dangerous weapon, with intent to do bodily harm, and without just cause or excuse, by a fine under this title or imprisonment for not more than ten years, or both. (4) Assault by striking, beating, or wounding, by a fine under this title or imprisonment for not more than six months, or both. (5) Simple assault, by a fine under this title or imprisonment for not more than six months, or both, or if the victim of the assault is an individual who has not attained the age of 16 years, by fine under this title or imprisonment for not more than 1 year, or both. (6) Assault resulting in serious bodily injury, by a fine under this title or imprisonment for not more than ten years, or both. (7) Assault resulting in substantial bodily injury to an individual who has not attained the age of 16 years, by fine under this title or imprisonment for not more than 5 years, or both. (b) As used in this subsection - (1) the term "substantial bodily injury" means bodily injury which involves - (A) a temporary but substantial disfigurement; or (B) a temporary but substantial loss or impairment of the function of any bodily member, organ, or mental faculty; and (2) the term "serious bodily injury" has the meaning given that term in section 1365 of this title.