Select the grammatically correct form of the given sentence from the following options.
1
Prince Harry give details about his time as a helicopter pilot in Afghanistan in his memoir, Spare.
2
Prince Harry gives details about his time as a helicopter pilot on Afghanistan in his memoir, Spare.
3
Prince Harry gives details about her time as a helicopter pilot in Afghanistan in his memoir, Spare.
4
Prince Harry gives details about his time as a helicopter pilot in Afghanistan in his memoir, Spare.