The granddaughter of slain Prime Minister Yitzhak Rabin joined a group of former Israeli military and government officials in launching a campaign demanding a referendum on the future of the West Bank and Gaza.

Groups including Peace Now and Blue White Future also initiated the campaign, titled “Decision at 50,” to consider the future of Israel on the 50th anniversary of its capture of the West Bank. Artists and social activists also signed on.

“This is the most sensitive and explosive issue in Israeli society today, and we demand that after 50 years we will get the right to decide on our own future,” the founders of the initiative said in a statement Monday. “We cannot allow ourselves another 50 years of governments’ indecision, during which decisions are made every day on the ground.”

Officials of the movement on Monday sent a letter to Prime Minister Benjamin Netanyahu calling for the promotion of a referendum and requested a meeting with him.

“A decision through a referendum on the most critical question for the future of Israel will be a statement regarding where Israel is heading and provide guidance to Israeli governments in their policy making on this crucial matter,” the letter reads.

Among those who have signed on are Noa Rothman, Rabin’s granddaughter; Ami Ayalon, former head of the Shin Bet and an ex-Knesset member; Gen (Res.) Amram Mitzna, a former Labor Party chairman; Rabbi Michael Melchior, a former Knesset member; Gilead Sher, chief of staff and policy coordinator to Ehud Barak, a former prime minister and defense minister.