You have to see which unit he is in. If he is a combat unit, he won't have much time to surf the Internet. It depends on whether he is a civilian cadre. If he is a civilian, it is possible. Generally, lieutenants are vice company commanders, but that's just the general situation. It's hard to say now ... are soldiers still at work? It's the first time I heard of it, maybe I'm too superficial, hehe.
Whether you are a liar or not is up to you. If it's just a chat or something, it's nothing. It doesn't matter that he is the president of the United States. If you want to meet, borrow money or make friends, be extra careful.