I asked her if we should do it or not. She said that we should. As aunt cannot see us. So we started kissing each other. I opened the few buttons of h...r nighty and began kissing her cleavage and neck. She took the sheets over her and removed her nighty and asked me to get inside the bed sheet. I went inside and kissed her whole naked body. Her bra and panty couldn’t be taken because if aunt wakes up we’ll be in trouble. So we continued. I moved her panty aside and licked her pussy. She. Ben than told me that he was my 'big dicked darkie'. I did not mean to, but I laughed. The surprise was that great and I found it hilarious. I made it clear that it was no insult on him and I just found it so funny. Ben understood. The situation lit a fire within me. All of a sudden there was desire. So I ask him when he last had a good shagging? It melted any ice there may have been. Come on I said and he followed me to my marriage bed. Tall man, someone I actually like, good slender build and. I thought of what they would do to my body. For me, there would be no funeral in the church where I grew up, no burial at Arlington National Cemetery, no taps, no rifle salute. Worse yet, there would be no closure for my parents. I would be missing in action. As long as they lived, they would hope against hope that I was still alive, that I would come home.I lay on my back, cradling my rifle. It felt like hours. It might have only been thirty minutes. I heard men walking through the jungle.. I actually surprised myself with the sudden hard-on and backed off in embarrassment. After all this was my sister! But she was a female, she was good looking and she was NAKED!!I peeked back in just in time to see her from the side, lifting her leg to step into her bottoms - one leg then the other. From this angle I only got a quick glimpse of what looked like some hair down there. As she pulled up the bottoms, I noticed her breasts. They certainly weren't that big, but they were definitely.